Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Zermatt - Saas Fee Area, Valais, Switzerland

Oldest recorded age at locality: 131.8
Youngest recorded age at locality: 0

mindat Locality ID: 7686
mindat URL: http://www.mindat.org/loc-7686.html

Tectonic Settings:

Total number of sublocalities beneath "Zermatt - Saas Fee Area, Valais, Switzerland": 66
Total number of bottom-level sublocalities: 46

Number of Child Localities: 3
Child Localities:
Matt Valley
Monte Rosa Massif
Saas Valley

Latitude: 46°2'45"N
Longitude: 7°52'11"E
Decimal Degree (lat, lon): 46.045833333333,7.8697222222222

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allophane	Alunite	Amphibole	Analcime	Apatite	Arsenopyrite	Auricupride	Axinite	Brackebuschite	Braunite
Brochantite	Brookite	Brucite	Calcite	Chalcopyrite	Chlorite	Chloritoid	Clay	Clinozoisite	Copper
Diaspore	Epidote	Epsomite	Feldspar	Fluorite	Garnet	Hexahydrite	Humite	Lazulite	Malachite
Meta-autunite	Mica	Natrolite	Nickeline	None	Not in a structural group	Olivine	Pentlandite	Perovskite	Prehnite
Pyrite	Pyrophyllite	Pyroxene	Quartz	Rhodonite	Rocksalt	Rutile	Scheelite	Serpentine	Sphalerite
Spinel	Staurolite	Stilbite	Talc	Titanite	Tourmaline	Vesuvianite	Zircon

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As B C Ca Cu F Fe H K Li Mg Mn Na Nb Ni O P Pb S Sb Si Ti U V W Zn Zr

Elements from minerals reported directly at this locality: Al Ca H Mg O Si

Structural Groups for minerals in this locality:
Allophane Alunite Amphibole Analcime Apatite Arsenopyrite Auricupride Axinite Brackebuschite Braunite
Brochantite Brookite Brucite Calcite Chalcopyrite Chlorite Chloritoid Clay Clinozoisite Copper
Diaspore Epidote Epsomite Feldspar Fluorite Garnet Hexahydrite Humite Lazulite Malachite
Meta-autunite Mica Natrolite Nickeline None Not in a structural group Olivine Pentlandite Perovskite Prehnite
Pyrite Pyrophyllite Pyroxene Quartz Rhodonite Rocksalt Rutile Scheelite Serpentine Sphalerite
Spinel Staurolite Stilbite Talc Titanite Tourmaline Vesuvianite Zircon

102 IMA Minerals at location:

Actinolite ()*	Albite ()*	Alleghanyite ()*	Almandine ()*	Analcime ()*
Anatase ()*	Andradite ()*	Antigorite ()*	Arsenopyrite ()*	Augite ()*
Awaruite ()*	Axinite-(Fe) ()*	Azurite ()*	Barroisite ()*	Bearthite ()*
Berlinite ()*	Beudantite ()*	Braunite ()*	Brochantite ()*	Brookite ()*
Brucite ()*	Calcite ()*	Chalcopyrite ()*	Chloritoid ()*	Chrysocolla ()*
Chrysotile ()*	Clinochlore ()*	Clinohumite ()*	Clinozoisite ()*	Cookeite ()*
Copper ()*	Cuprite ()*	Diaspore ()*	Diopside ()*	Dolomite ()*
Enstatite ()*	Epidote ()*	Fluorapatite ()*	Fluorite ()*	Forsterite ()*
Gahnite ()*	Galaxite ()*	Glaucophane ()*	Grossular ()*	Hausmannite ()*
Heazlewoodite ()*	Jacobsite ()*	Jadeite ()*	Jarosite ()*	Kyanite ()*
Lansfordite ()*	Laumontite ()*	Lazulite ()*	Magnesiochloritoid ()*	Magnesite ()*
Magnetite ()*	Malachite ()*	Manganosite ()*	Margarite ()*	Meta-autunite ()*
Metatorbernite ()*	Metazeunerite ()*	Morenosite ()*	Muscovite ()*	Natrolite ()*
Nesquehonite ()*	Nickelhexahydrite ()*	Omphacite ()*	Paragonite ()*	Pentlandite ()*
Perovskite ()*	Phlogopite ()*	Piemontite ()*	Prehnite ()*	Preiswerkite ()*
Pyrite ()*	Pyrophyllite ()*	Pyroxmangite ()*	Pyrrhotite ()*	Quartz ()*
Rhodochrosite ()*	Rhodonite ()*	Roscoelite ()*	Rutile ()*	Scheelite ()*
Schorl ()*	Siderite ()*	Spessartine ()*	Sphalerite ()*	Spinel ()*
Stellerite ()*	Stibiocolumbite ()*	Talc ()*	Tenorite ()*	Tephroite ()*
Titanite ()*	Uraninite ()*	Uranophane-α ()*	Vesuvianite ()*	Zincostaurolite ()*
Zircon ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Actinolite ()*	Amphibole	Ca₂(Mg_4.5-2.5Fe²⁺_0.5-2.5)Si₈O₂₂(OH)₂			1	115341	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)			10	115284,115286,115290,115303,115307,115311,115312,115335,115336,115341	8803
Alleghanyite ()*	Humite	Mn²⁺₅(SiO₄)₂(OH)₂			1	115298	77
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			1	115336	2353
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O			1	115312	1627
Anatase ()*	Not in a structural group	TiO₂			4	115286,115299,115335,115337	2162
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃			10	115304,115307,115310,115311,115314,115320,115335,115340,115341,115342	1534
Antigorite ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			1	115322	708
Arsenopyrite ()*	Arsenopyrite	FeAsS			2	115286,115293	9052
Augite ()*	Pyroxene	(Ca,Mg,Fe)₂Si₂O₆			1	115331	2060
Awaruite ()*	Auricupride Perovskite	Ni₃Fe			1	115322	166
Axinite-(Fe) ()*	Axinite	Ca₄Fe²⁺₂Al₄[B₂Si₈O₃₀](OH)₂			2	115317,115318	260
Azurite ()*	Not in a structural group	Cu₃(CO₃)₂(OH)₂			1	115309	5509
Barroisite ()*	Amphibole	(NaCa)(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂	131.8	24.8	2	115297,115333	49
Bearthite ()*	Brackebuschite	Ca₂Al(PO₄)₂(OH)			1	115317	9
Berlinite ()*	Quartz	Al(PO₄)			1	115293	28
Beudantite ()*	Alunite	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆			1	115293	413
Braunite ()*	Braunite	Mn²⁺Mn³⁺₆O₈(SiO₄)			1	115298	483
Brochantite ()*	Brochantite	Cu₄(SO₄)(OH)₆			1	115340	1633
Brookite ()*	Brookite	TiO₂			1	115286	700
Brucite ()*	Brucite	Mg(OH)₂			1	115304	462
Calcite ()*	Calcite	Ca(CO₃)			16	115285,115287,115292,115294,115299,115304,115307,115310,115311,115312,115319,115331,115334,115335,115341,115345	27770
Chalcopyrite ()*	Chalcopyrite	CuFeS₂			2	115293,115309	27198
Chloritoid ()*	Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂	38	32	3	115281,115294,115331	376
Chrysocolla ()*	Allophane	(Cu_2-xAl_x)H_2-xSi₂O₅(OH)₄·nH₂O			1	115313	3531
Chrysotile ()*	Serpentine Clay	Mg₃Si₂O₅(OH)₄			8	115304,115310,115311,115313,115314,115320,115335,115341	951
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	38	32	14	115294,115304,115307,115310,115311,115312,115319,115331,115332,115335,115340,115341,115342,115345	1756
Clinohumite ()*	Humite	Mg₉(SiO₄)₄F₂			1	115331	236
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	38	32	0		1025
Cookeite ()*	Chlorite Clay	(Al,Li)₃Al₂(Si,Al)₄O₁₀(OH)₈			1	115281	181
Copper ()*	Copper	Cu			1	115341	3846
Cuprite ()*	Not in a structural group	Cu₂O			3	115340,115341,115345	2970
Diaspore ()*	Diaspore	AlO(OH)			1	115281	481
Diopside ()*	Pyroxene	CaMgSi₂O₆	38	32	12	115294,115304,115305,115307,115311,115312,115326,115335,115340,115341,115342,115345	4135
Dolomite ()*	None	CaMg(CO₃)₂			2	115286,115289	9895
Enstatite ()*	Pyroxene	Mg₂Si₂O₆			1	115331	944
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	38	32	12	115294,115304,115305,115311,115312,115318,115331,115332,115334,115335,115341,115345	8173
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	38	32	7	115294,115307,115311,115312,115335,115340,115341	2740
Fluorite ()*	Fluorite	CaF₂			1	115293	9617
Forsterite ()*	Olivine	Mg₂(SiO₄)			1	115331	1188
Gahnite ()*	Spinel	ZnAl₂O₄			1	115281	445
Galaxite ()*	Spinel	Mn²⁺Al₂O₄			1	115298	43
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	131.8	24.8	4	115294,115295,115297,115333	286
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	38	32	14	115294,115304,115307,115310,115311,115312,115314,115335,115336,115340,115341,115342,115344,115345	1544
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄			1	115298	350
Heazlewoodite ()*	None	Ni₃S₂			1	115322	205
Jacobsite ()*	Spinel	Mn²⁺Fe³⁺₂O₄			1	115298	172
Jadeite ()*	Pyroxene	NaAlSi₂O₆			1	115331	154
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆			1	115293	2228
Kyanite ()*	Not in a structural group	Al₂OSiO₄	131.8	24.8	5	115281,115296,115297,115317,115336	1507
Lansfordite ()*	None	Mg(CO₃)·5H₂O			1	115302	17
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O			1	115318	1271
Lazulite ()*	Lazulite	MgAl₂(PO₄)₂(OH)₂			3	115316,115317,115324	232
Magnesiochloritoid ()*	Chloritoid	MgAl₂O(SiO₄)(OH)₂	38	32	3	115294,115317,115332	12
Magnesite ()*	Calcite	Mg(CO₃)			1	115332	1487
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	131.8	24.8	9	115297,115304,115310,115312,115319,115331,115332,115335,115341	14899
Malachite ()*	Malachite	Cu₂(CO₃)(OH)₂			2	115309,115345	12537
Manganosite ()*	Rocksalt	MnO			1	115298	73
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂			1	115281	168
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O			1	115293	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O			1	115293	443
Metazeunerite ()*	None	Cu(UO₂)₂(AsO₄)₂·8H₂O			1	115293	182
Morenosite ()*	Epsomite	Ni(SO₄)·7H₂O			6	115304,115312,115321,115322,115335,115341	84
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	44.8	39.1	4	115290,115296,115317,115336	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O			1	115312	1236
Nesquehonite ()*	None	Mg(CO₃)·3H₂O			1	115322	80
Nickelhexahydrite ()*	Hexahydrite	Ni(SO₄)·6H₂O			5	115304,115312,115321,115322,115341	37
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆			2	115331,115332	229
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂			2	115296,115332	247
Pentlandite ()*	Pentlandite	(Ni,Fe)₉S₈			1	115322	1512
Perovskite ()*	Perovskite	CaTiO₃			6	115304,115310,115319,115331,115332,115341	495
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂			1	115317	2273
Piemontite ()*	Epidote	Ca₂(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)			2	115298,115341	260
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂			9	115305,115312,115318,115327,115331,115334,115335,115337,115341	1898
Preiswerkite ()*	Mica	NaAlMg₂(Si₂Al₂)O₁₀(OH)₂			2	115331,115333	14
Pyrite ()*	Pyrite	FeS₂			7	115286,115293,115299,115322,115334,115335,115341	39462
Pyrophyllite ()*	Clay Pyrophyllite	Al₂Si₄O₁₀(OH)₂			1	115289	771
Pyroxmangite ()*	None	Mn²⁺SiO₃			1	115298	147
Pyrrhotite ()*	Nickeline	Fe₇S₈			2	115292,115322	9056
Quartz ()*	Quartz	SiO₂			19	115284,115285,115286,115287,115288,115289,115290,115296,115298,115299,115304,115306,115317,115318,115331,115334,115335,115336,115337	61156
Rhodochrosite ()*	Calcite	Mn(CO₃)			1	115298	1711
Rhodonite ()*	Rhodonite	CaMn₃Mn(Si₅O₁₅)			1	115298	969
Roscoelite ()*	Mica	KV³⁺₂(Si₃Al)O₁₀(OH)₂			1	115293	253
Rutile ()*	Rutile	TiO₂			1	115286	5614
Scheelite ()*	Scheelite	Ca(WO₄)	120	100	1	115328	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			1	115300	2705
Siderite ()*	Calcite	Fe(CO₃)			1	115287	6417
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	115298	1214
Sphalerite ()*	Sphalerite	ZnS			5	115304,115310,115319,115331,115341	21482
Spinel ()*	Spinel	MgAl₂O₄	38	32	0		1934
Stellerite ()*	Stilbite	Ca₄(Si₂₈Al₈)O₇₂·28H₂O			1	115341	189
Stibiocolumbite ()*	None	SbNbO₄			1	115284	13
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂			4	115291,115317,115332,115336	3337
Tenorite ()*	None	CuO			1	115345	1101
Tephroite ()*	Olivine	Mn²⁺₂(SiO₄)			1	115298	240
Titanite ()*	Titanite	CaTi(SiO₄)O	38	32	15	115294,115304,115307,115310,115311,115312,115318,115319,115331,115334,115335,115336,115340,115341,115345	4899
Uraninite ()*	Fluorite	UO₂			1	115293	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			1	115293	890
Vesuvianite ()*	Vesuvianite	(Ca,Na)₁₉(Al,Mg,Fe)₁₃(SiO₄)₁₀(Si₂O₇)₄(OH,F,O)₁₀	38	32	13	115294,115304,115305,115307,115310,115311,115312,115318,115335,115340,115341,115342,115345	1395
Zincostaurolite ()*	Staurolite	Zn₂Al₉Si₄O₂₃(OH)			1	115281	6
Zircon ()*	Zircon	Zr(SiO₄)			2	115304,115336	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)			4	115308,115311,115332,115336	1025

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Michelle_549	Near-surface occurrence. Recently forming oxalate associated with lichen, in Valais

17 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Dated Mineral	Minerals explicitely stated as having this age	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
Michelle_549	0	0	Recent		Age of whewellite mineralization	high				Whewellite	134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Taschtal	Hofmann and Bernasconi (1998)	10.1016/S0009-2541(98)00043-6	CG149_127	See Table 1. occurrences of Oxalate minerals. Age given as "recent lichen."
Michelle_728	41.9	38.7	40.3±1.6	Rb-Sr			phengite	T89-13			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_729	41	38	39.5±1.5	Rb-Sr			phengite	T89-13			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_730	42.1	41.3	41.7±0.4	Rb-Sr			phengite	T89-39			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_731	39.9	39.3	39.6±0.3	Rb-Sr			phengite	T89-39			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_732	41.4	40.8	41.1±0.3	Rb-Sr			phengite	T89-39			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_733	45.6	43.6	44.6±1	Rb-Sr			phengite	T89-44			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_734	43.7	40.9	42.3±1.4	Rb-Sr			phengite	T89-50			134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 2. Rb-Sr Mica Data
Michelle_742	40.9	39.1	40.0±0.9	Ar-Ar			muscovite	T89-13	Muscovite		134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_743	44.8	43	43.9±0.9	Ar-Ar			muscovite	T89-39	Muscovite		134374	Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Täschalp thrust zone	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_735	38	32	35±3	U-Pb	Age of vein formation	high	titanite, albite	50320			157673	Mellich Glacier (Mellichen Glacier), Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	South of Mellichen (glacier)	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 3. U-Pb Data for Sample 50320
Michelle_737	47.2	45.2	46.2±1.0	Ar-Ar			paragonite	B83175	Paragonite		134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_738	51.2	38.4	44.8±6.4	Ar-Ar			paragonite	KAW 656	Paragonite		134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_739	47	40	43.5±3.5	Ar-Ar			paragonite	KAW 657	Paragonite		134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_740	131.8	24.8	78.3±53.5	Ar-Ar			paragonite	KAW 661	Paragonite		134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_741	49.1	43.9	46.5±2.6	Ar-Ar			paragonite	KAW 654	Paragonite		134375	Pfulwe, Täsch Valley, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	Pfulwe - Fluhalp	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	See Table 4. Ar-Ar Analyses of White Micas
Michelle_722	120	100	100-120		Age of high pressure metamorphism						187977	Monte Rosa Massif, Zermatt - Saas Fee Area, Valais, Switzerland	Monte Rosa Massif	Barnicoat et al. (1995)	10.1029/94TC02017	T14_279	Age of high pressure metamorphism

Sample	Source Locality	Reference URL
R060596	Gorner Glacier Area, Zermatt, Matt Valley, Zermatt - Saas Fee Area, Valais, Switzerland	https://rruff.info/R060596

All locality data graciously provided by mindat.org

All age data...