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:
Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic

Oldest recorded age at locality: 313.6
Youngest recorded age at locality: 222.9

mindat Locality ID: 27262
mindat URL: http://www.mindat.org/loc-27262.html

Tectonic Settings:

Total number of sublocalities beneath "Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Bukov Mine
Habři Mine
Rožná I Mine (R-1; KHB)
Rožná III Mine (R-3 Jasan)
Rozsochy Mine
Zlatkov Mine

Latitude: 49°28'33"N
Longitude: 16°13'17"E
Decimal Degree (lat, lon): 49.475833333333,16.221388888889

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.

Allargentum	Alunite	Amphibole	Andalusite	Aragonite	Arsenic	Arsenopyrite	Autunite	Baryte	Beryl
Bournonite	Brannerite	Bukovite	Calcite	Chalcopyrite	Chlorite	Clay	Clinozoisite	Copper	Corundum
Covellite	Cubanite	Diaspore	Digenite	Epidote	Epsomite	Feldspar	Fluorite	Garnet	Gypsum
Halotrichite	Harmotome	Hexahydrite	Humite	Marcasite	Melanterite	Meta-autunite	Mica	Molybdenite	Nickeline
None	Not in a structural group	Olivine	Palygorskite	Petrovicite	Phenakite	Phosphuranylite	Pyrite	Quartz	Rhabdophane
Rocksalt	Sphalerite	Spinel	Stannite	Talc	Tetrahedrite	Titanite	Tourmaline	Wurtzite	Zinkenite
Zippeite	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: Ag Al As Au B Ba Bi C Ca Ce Co Cu F Fe H Hg K Mg Mn Mo Na Ni O P Pb S Sb Se Si Ti Tl U V Zn Zr

Elements from minerals reported directly at this locality: Ag Al As Ba C Ca Ce Co Cu Fe H K Mg Na Ni O P S Sb Si Ti U Zn Zr

Structural Groups for minerals in this locality:
Allargentum Alunite Amphibole Andalusite Aragonite Arsenic Arsenopyrite Autunite Baryte Beryl
Bournonite Brannerite Bukovite Calcite Chalcopyrite Chlorite Clay Clinozoisite Copper Corundum
Covellite Cubanite Diaspore Digenite Epidote Epsomite Feldspar Fluorite Garnet Gypsum
Halotrichite Harmotome Hexahydrite Humite Marcasite Melanterite Meta-autunite Mica Molybdenite Nickeline
None Not in a structural group Olivine Palygorskite Petrovicite Phenakite Phosphuranylite Pyrite Quartz Rhabdophane
Rocksalt Sphalerite Spinel Stannite Talc Tetrahedrite Titanite Tourmaline Wurtzite Zinkenite
Zippeite Zircon

117 IMA Minerals at location:

Albite ()*	Andalusite ()*	Andersonite ()*	Andradite ()*	Anhydrite ()*
Ankerite ()*	Antimony ()*	Arsenopyrite ()*	Athabascaite ()*	Autunite ()*
Baryte ()*	Bayleyite ()*	Bellidoite ()*	Berzelianite ()*	Bohdanowiczite ()*
Bornite ()*	Bournonite ()*	Brannerite ()*	Bukovite ()*	Calcite ()*
Čejkaite ()*	Chalcocite ()*	Chalcomenite ()*	Chalcopyrite ()*	Clausthalite ()*
Clinochlore ()*	Coffinite ()*	Cordierite ()*	Crookesite ()*	Cubanite ()*
Cuprosklodowskite ()*	Curite ()*	Digenite ()*	Djurleite ()*	Dolomite ()*
Dravite ()*	Dyscrasite ()*	Epidote ()*	Epsomite ()*	Eskebornite ()*
Eucairite ()*	Ferroselite ()*	Fischesserite ()*	Fluorite ()*	Fontanite ()*
Forsterite ()*	Freibergite ()*	Galena ()*	Goethite ()*	Gold ()*
Graphite ()*	Gudmundite ()*	Gypsum ()*	Hakite-(Hg) ()*	Harmotome ()*
Hematite ()*	Hexahydrite ()*	Hydroxylclinohumite ()*	Jarosite ()*	Kinoshitalite ()*
Klockmannite ()*	Laumontite ()*	Liebigite ()*	Marcasite ()*	Marécottite ()*
Melanophlogite ()*	Melanterite ()*	Meta-autunite ()*	Metatorbernite ()*	Molybdenite ()*
Montroseite ()*	Natrozippeite ()*	Naumannite ()*	Nickeline ()*	Nickelzippeite ()*
Ningyoite ()*	Palygorskite ()*	Gersdorffite-Pa3 ()*	Uranophane-β ()*	Permingeatite ()*
Petrovicite ()*	Phlogopite ()*	Phosphuranylite ()*	Pickeringite ()*	Pyrargyrite ()*
Pyrite ()*	Pyrrhotite ()*	Quartz ()*	Rabejacite ()*	Rhodochrosite ()*
Sabatierite ()*	Schröckingerite ()*	Siderite ()*	Siegenite ()*	Soddyite ()*
Sphalerite ()*	Spinel ()*	Stephanite ()*	Talc ()*	Tetrahedrite-(Zn) ()*
Tiemannite ()*	Titanite ()*	Torbernite ()*	Tremolite ()*	Tyrrellite ()*
Umangite ()*	Uraninite ()*	Uranophane-α ()*	Uranopilite ()*	Willemite ()*
Witherite ()*	Wurtzite ()*	Zellerite ()*	Zinczippeite ()*	Zinkenite ()*
Zippeite ()*	Zircon ()*

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
Albite ()*	Feldspar	Na(AlSi₃O₈)	313.6	222.9	0		8803
Andalusite ()*	Andalusite	Al₂SiO₅	313.6	222.9	1	48087	1310
Andersonite ()*	Not in a structural group	Na₂Ca(UO₂)(CO₃)₃·5-6H₂O	282.7	259.7	2	48087,48089	47
Andradite ()*	Garnet	Ca₃Fe³⁺₂(SiO₄)₃	313.6	222.9	1	48087	1534
Anhydrite ()*	Not in a structural group	Ca(SO₄)	238.4	222.9	1	48090	1588
Ankerite ()*	None	Ca(Fe²⁺,Mg)(CO₃)₂	313.6	222.9	0		3092
Antimony ()*	Arsenic	Sb	313.6	222.9	0		363
Arsenopyrite ()*	Arsenopyrite	FeAsS	238.4	222.9	1	48089	9052
Athabascaite ()*	None	Cu₅Se₄	313.6	222.9	1	48087	18
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O	282.7	259.7	2	48089,48090	1272
Baryte ()*	Baryte	Ba(SO₄)	238.4	222.9	3	48087,48089,48090	11547
Bayleyite ()*	None	Mg₂(UO₂)(CO₃)₃·18H₂O	282.7	259.7	1	48087	38
Bellidoite ()*	None	Cu₂Se	313.6	222.9	2	48087,48088	6
Berzelianite ()*	None	Cu_2-xSe (x ≈ 0.12)	313.6	222.9	5	48087,48088,48089,48091,48092	66
Bohdanowiczite ()*	None	AgBiSe₂	313.6	222.9	1	48092	41
Bornite ()*	None	Cu₅FeS₄	238.4	222.9	2	48087,48089	5516
Bournonite ()*	Bournonite	CuPbSbS₃	238.4	222.9	1	48089	1089
Brannerite ()*	Brannerite	UTi₂O₆	282.7	259.7	0		248
Bukovite ()*	Bukovite	Cu₄Tl₂Se₄	313.6	222.9	1	48087	11
Calcite ()*	Calcite	Ca(CO₃)	313.6	222.9	3	48087,48088,48089	27770
Čejkaite ()*	None	Na₄(UO₂)(CO₃)₃	282.7	259.7	2	48087,48089	9
Chalcocite ()*	None	Cu₂S	238.4	222.9	2	48087,48089	5707
Chalcomenite ()*	None	Cu(Se⁴⁺O₃)·2H₂O	313.6	222.9	1	48087	40
Chalcopyrite ()*	Chalcopyrite	CuFeS₂	238.4	222.9	3	48087,48088,48089	27198
Clausthalite ()*	Rocksalt	PbSe	313.6	222.9	5	48087,48088,48089,48091,48092	281
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈	313.6	222.9	1	48089	1756
Coffinite ()*	Zircon	U(SiO₄)·nH₂O	282.7	259.7	3	48087,48089,48090	566
Cordierite ()*	Beryl	Mg₂Al₄Si₅O₁₈	313.6	222.9	1	48089	1008
Crookesite ()*	None	Cu₇TlSe₄	313.6	222.9	2	48087,48088	14
Cubanite ()*	Cubanite Wurtzite	CuFe₂S₃	238.4	222.9	0		802
Cuprosklodowskite ()*	None	Cu(UO₂)₂(SiO₃OH)₂·6H₂O	282.7	259.7	0		58
Curite ()*	None	Pb_3+x[(UO₂)₄O_4+x(OH)_3-x]₂·2H₂O	282.7	259.7	1	48089	51
Digenite ()*	Digenite	Cu_1.8S	238.4	222.9	2	48088,48089	1027
Djurleite ()*	None	Cu₃₁S₁₆	238.4	222.9	1	48088	300
Dolomite ()*	None	CaMg(CO₃)₂	313.6	222.9	2	48087,48089	9895
Dravite ()*	Tourmaline	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	313.6	222.9	1	48089	648
Dyscrasite ()*	Allargentum	Ag_3+xSb_1-x (x ≈ 0.2)	313.6	222.9	0		180
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	313.6	222.9	1	48089	8173
Epsomite ()*	Epsomite	Mg(SO₄)·7H₂O	238.4	222.9	1	48089	484
Eskebornite ()*	Chalcopyrite	CuFeSe₂	313.6	222.9	3	48087,48088,48092	26
Eucairite ()*	None	CuAgSe	313.6	222.9	2	48087,48088	54
Ferroselite ()*	Marcasite	FeSe₂	313.6	222.9	1	48087	51
Fischesserite ()*	None	Ag₃AuSe₂	313.6	222.9	1	48087	24
Fluorite ()*	Fluorite	CaF₂	313.6	222.9	1	48089	9617
Fontanite ()*	None	Ca(UO₂)₃(CO₃)₂O₂·6H₂O	282.7	259.7	1	48087	2
Forsterite ()*	Olivine	Mg₂(SiO₄)	313.6	222.9	1	48089	1188
Freibergite ()*	Tetrahedrite	Ag₆[Cu₄Fe₂]Sb₄S₁₂	238.4	222.9	1	48089	663
Galena ()*	Rocksalt	PbS	238.4	222.9	2	48089,48090	24243
Goethite ()*	Diaspore	FeO(OH)	313.6	222.9	2	48087,48089	7437
Gold ()*	Copper	Au	313.6	222.9	1	48087	30554
Graphite ()*	None	C	313.6	222.9	0		2812
Gudmundite ()*	Arsenopyrite	FeSbS	238.4	222.9	0		170
Gypsum ()*	Gypsum	Ca(SO₄)·2H₂O	238.4	222.9	3	48087,48089,48090	6890
Hakite-(Hg) ()*	Tetrahedrite	Cu₆(Cu₄Hg₂)Sb₄Se₁₃	313.6	222.9	1	48087	12
Harmotome ()*	Harmotome	Ba₂(Si₁₂Al₄)O₃₂·12H₂O	313.6	222.9	3	48087,48089,48090	290
Hematite ()*	Corundum	Fe₂O₃	313.6	222.9	2	48087,48089	14640
Hexahydrite ()*	Hexahydrite	Mg(SO₄)·6H₂O	238.4	222.9	1	48089	251
Hydroxylclinohumite ()*	Humite	Mg₉(SiO₄)₄(OH)₂	313.6	222.9	0		16
Jarosite ()*	Alunite	KFe³⁺₃(SO₄)₂(OH)₆	238.4	222.9	1	48089	2228
Kinoshitalite ()*	Mica Clay	BaMg₃(Si₂Al₂O₁₀)(OH)₂	313.6	222.9	0		20
Klockmannite ()*	Covellite	Cu_5.2Se₆	313.6	222.9	2	48087,48088	63
Laumontite ()*	Not in a structural group	CaAl₂Si₄O₁₂·4H₂O	313.6	222.9	1	48087	1271
Liebigite ()*	None	Ca₂(UO₂)(CO₃)₃·11H₂O	282.7	259.7	1	48090	78
Marcasite ()*	Marcasite	FeS₂	238.4	222.9	2	48087,48089	5674
Marécottite ()*	None	Mg₃O₆(UO₂)₈(SO₄)₄(OH)₂·28H₂O	0	0	1	48087	10
Melanophlogite ()*	None	C₂H₁₇O₅·Si₄₆O₉₂	313.6	222.9	1	48090	38
Melanterite ()*	Melanterite	Fe(SO₄)·7H₂O	238.4	222.9	1	48089	915
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O	282.7	259.7	1	48090	388
Metatorbernite ()*	None	Cu(UO₂)₂(PO₄)₂·8H₂O	282.7	259.7	1	48090	443
Molybdenite ()*	Molybdenite	MoS₂	238.4	222.9	1	48089	5800
Montroseite ()*	Diaspore	(V³⁺,Fe²⁺,V⁴⁺)O(OH)	313.6	222.9	1	48089	136
Natrozippeite ()*	Zippeite	Na₅(UO₂)₈(SO₄)₄O₅(OH)₃·12H₂O	282.7	222.9	3	48087,48089,48090	41
Naumannite ()*	Not in a structural group	Ag₂Se	313.6	222.9	1	48092	192
Nickeline ()*	Nickeline	NiAs	313.6	222.9	0		633
Nickelzippeite ()*	Zippeite	Ni₂(UO₂)₆(SO₄)₃(OH)₁₀·16H₂O	0	0	1	48087	5
Ningyoite ()*	Rhabdophane	(U,Ca,Ce)₂(PO₄)₂·1-2H₂O	282.7	259.7	0		33
Palygorskite ()*	Palygorskite Clay	(Mg,Al)₂Si₄O₁₀(OH)·4H₂O	313.6	222.9	1	48089	306
Gersdorffite-Pa3 ()*	Pyrite	NiAsS	238.4	222.9	0		767
Uranophane-β ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	282.7	259.7	0		144
Permingeatite ()*	Stannite Sphalerite	Cu₃SbSe₄	313.6	222.9	1	48087	5
Petrovicite ()*	Petrovicite	Cu₃HgPbBiSe₅	313.6	222.9	1	48087	6
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	313.6	222.9	1	48089	2273
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O	282.7	259.7	0		182
Pickeringite ()*	Halotrichite	MgAl₂(SO₄)₄·22H₂O	238.4	222.9	1	48089	265
Pyrargyrite ()*	None	Ag₃SbS₃	238.4	222.9	1	48089	1425
Pyrite ()*	Pyrite	FeS₂	238.4	222.9	2	48087,48089	39462
Pyrrhotite ()*	Nickeline	Fe₇S₈	238.4	222.9	2	48087,48089	9056
Quartz ()*	Quartz	SiO₂	313.6	222.9	2	48087,48089	61156
Rabejacite ()*	None	Ca₂[(UO₂)₄O₄(SO₄)₂](H₂O)₈	282.7	222.9	1	48090	11
Rhodochrosite ()*	Calcite	Mn(CO₃)	313.6	222.9	1	48089	1711
Sabatierite ()*	None	Cu₆TlSe₄	313.6	222.9	1	48087	5
Schröckingerite ()*	None	NaCa₃(UO₂)(SO₄)(CO₃)₃F·10H₂O	282.7	222.9	3	48087,48089,48090	128
Siderite ()*	Calcite	Fe(CO₃)	313.6	222.9	2	48088,48089	6417
Siegenite ()*	Spinel	CoNi₂S₄	238.4	222.9	0		249
Soddyite ()*	None	(UO₂)₂(SiO₄)(H₂O)₂	282.7	259.7	0		44
Sphalerite ()*	Sphalerite	ZnS	238.4	222.9	2	48089,48090	21482
Spinel ()*	Spinel	MgAl₂O₄	313.6	222.9	1	48089	1934
Stephanite ()*	None	Ag₅SbS₄	238.4	222.9	0		586
Talc ()*	Clay Talc	Mg₃Si₄O₁₀(OH)₂	313.6	222.9	1	48089	3337
Tetrahedrite-(Zn) ()*	Tetrahedrite	Cu₆(Cu₄Zn₂)Sb₄S₁₃	238.4	222.9	1	48089	5317
Tiemannite ()*	Sphalerite	HgSe	313.6	222.9	1	48091	83
Titanite ()*	Titanite	CaTi(SiO₄)O	313.6	222.9	1	48089	4899
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O	282.7	259.7	2	48089,48090	1059
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	313.6	222.9	1	48089	2562
Tyrrellite ()*	Spinel	Cu(Co,Ni)₂Se₄	313.6	222.9	2	48087,48088	17
Umangite ()*	None	Cu₃Se₂	313.6	222.9	4	48087,48088,48091,48092	71
Uraninite ()*	Fluorite	UO₂	282.7	259.7	3	48087,48089,48090	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O	282.7	259.7	1	48089	890
Uranopilite ()*	None	(UO₂)₆(SO₄)O₂(OH)₆·14H₂O	282.7	222.9	1	48089	94
Willemite ()*	Phenakite	Zn₂SiO₄	313.6	222.9	0		303
Witherite ()*	Aragonite	Ba(CO₃)	313.6	222.9	0		251
Wurtzite ()*	Wurtzite	ZnS	238.4	222.9	1	48089	372
Zellerite ()*	None	Ca(UO₂)(CO₃)₂·5H₂O	282.7	259.7	1	48087	15
Zinczippeite ()*	Zippeite	Zn(UO₂)₂(SO₄)O₂·3.5H₂O	282.7	222.9	1	48087	6
Zinkenite ()*	Zinkenite	Pb₉Sb₂₂S₄₂	238.4	222.9	1	48089	228
Zippeite ()*	Zippeite	K₂[(UO₂)₄(SO₄)₂O₂(OH)₂](H₂O)₄	282.7	222.9	1	48087	175
Zircon ()*	Zircon	Zr(SiO₄)	313.6	222.9	0		5251

12 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Sample Source	Sample Num	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID
Hg-00084	313.6	222.9		K-Ar			Petrovicite, Tiemannite	Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic		Kříbek et al. (2009)
JG54_1-00010	282.7	271.7	277.2±5.5	K-Ar				U	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná	Škácha et al. (2009)	10.3190/jgeosci.030	JG54_1
JG54_1-00011	268.3	259.7	264±4.3	K-Ar				U	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná	Škácha et al. (2009)	10.3190/jgeosci.030	JG54_1
MD44_99-00001	282.7	271.7	277.2±5.5	K-Ar	illite	ZA-21		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00002	281.2	271	276.1±5.1	K-Ar	illite	ZA-21		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00003	279.6	270.2	274.9±4.7	K-Ar	illite	ZA-21		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00004	281.5	269.7	275.6±5.9	K-Ar	illite	ZA-13		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00005	279.1	268.7	273.9±5.2	K-Ar	illite	ZA-13		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00006	268.4	259.8	264.1±4.3	K-Ar	illite	ZA-13		U, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00007	238.4	229	233.7±4.7	K-Ar	illite	ZA-38		S, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00008	236	227	231.5±4.5	K-Ar	illite	ZA-38		S, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99
MD44_99-00009	232.1	222.9	227.5±4.6	K-Ar	illite	ZA-38		S, Hg	27262	Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	Rožná deposit	Kříbek et al. (2009)	10.1007/s00126-008-0188-0	MD44_99

Sample	Source Locality	Reference URL
R060260	Bukov Mine, Rožná Deposit, Rožná, Žďár Nad Sázavou District, Vysočina Region, Czech Republic	https://rruff.info/R060260

All locality data graciously provided by mindat.org

All age data...