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:
Itoigawa City, Niigata, Japan

mindat Locality ID: 8249
mindat URL: http://www.mindat.org/loc-8249.html

Tectonic Settings:

Total number of sublocalities beneath "Itoigawa City, Niigata, Japan": 12
Total number of bottom-level sublocalities: 10

Number of Child Localities: 3
Child Localities:
Itoigawa-Ohmi District
Kotaki River (Kotakigawa)
Ōmi

Latitude: 37°1'26"N
Longitude: 137°47'58"E
Decimal Degree (lat, lon): 37.023888888889,137.79944444444

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.

Amphibole	Analcime	Apatite	Aragonite	Benitoite	Calcite	Chevkinite	Clay	Clinozoisite	Corundum
Cristobalite	Diaspore	Dumortierite	Epidote	Feldspar	Garnet	Joaquinite	Lawsonite	Mica	Natrolite
None	Not in a structural group	Ohmilite	Pectolite	Perovskite	Prehnite	Pyrite	Pyroxene	Quartz	Rocksalt
Rutile	Serpentine	Smectite-vermiculite	Spinel	Thomsonite	Titanite	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 B Ba C Ca Ce Cr F Fe H Hg K La Mg Mn Na Ni O P Pb S Si Sr Ti Zr

Elements from minerals reported directly at this locality: Al Ba C Ca Ce Cr F Fe H La Mg Mn Na Ni O P Pb S Si Sr Ti Zr

Structural Groups for minerals in this locality:
Amphibole Analcime Apatite Aragonite Benitoite Calcite Chevkinite Clay Clinozoisite Corundum
Cristobalite Diaspore Dumortierite Epidote Feldspar Garnet Joaquinite Lawsonite Mica Natrolite
None Not in a structural group Ohmilite Pectolite Perovskite Prehnite Pyrite Pyroxene Quartz Rocksalt
Rutile Serpentine Smectite-vermiculite Spinel Thomsonite Titanite Zircon

72 IMA Minerals at location:

Actinolite ()*	Albite ()*	Amesite ()*	Analcime ()*	Anatase ()*
Banalsite ()*	Benitoite ()*	Calcite ()*	Celsian ()*	Chromite ()*
Cinnabar ()*	Clinozoisite ()*	Corundum ()*	Cristobalite ()*	Cymrite ()*
Diaspore ()*	Diopside ()*	Dumortierite ()*	Edenite ()*	Epidote ()*
Epidote-(Sr) ()*	Fluorstrophite ()*	Galena ()*	Glaucophane ()*	Graphite ()*
Grossular ()*	Heazlewoodite ()*	Ilmenite ()*	Itoigawaite ()*	Jadeite ()*
Kosmochlor ()*	Lamprophyllite ()*	Lawsonite ()*	Leucosphenite ()*	Magnesio-riebeckite ()*
Margarite ()*	Matsubaraite ()*	Montmorillonite ()*	Muscovite ()*	Natrolite ()*
Niigataite ()*	Ohmilite ()*	Omphacite ()*	Paragonite ()*	Pargasite ()*
Pectolite ()*	Phlogopite ()*	Piemontite-(Sr) ()*	Prehnite ()*	Preiswerkite ()*
Pyrite ()*	Quartz ()*	Rengeite ()*	Riebeckite ()*	Rutile ()*
Shandite ()*	Slawsonite ()*	Spinel ()*	Stronadelphite ()*	Stronalsite ()*
Strontianite ()*	Strontio-orthojoaquinite ()*	Strontiochevkinite ()*	Strontiojoaquinite ()*	Tausonite ()*
Thomsonite-Ca ()*	Thomsonite-Sr ()*	Titanite ()*	Tremolite ()*	Xonotlite ()*
Zircon ()*	Zoisite ()*

Mineral name	Structural Groups	IMA Formula	# 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	3	75956,75961,75962	3419
Albite ()*	Feldspar	Na(AlSi₃O₈)	3	75957,75958,75962	8803
Amesite ()*	Clay Serpentine	Mg₂Al(AlSiO₅)(OH)₄	1	75959	74
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	0		1627
Anatase ()*	Not in a structural group	TiO₂	0		2162
Banalsite ()*	None	Na₂BaAl₄Si₄O₁₆	0		22
Benitoite ()*	Benitoite	BaTiSi₃O₉	2	75958,75962	20
Calcite ()*	Calcite	Ca(CO₃)	2	75961,75963	27770
Celsian ()*	Feldspar	Ba(Al₂Si₂O₈)	1	75959	100
Chromite ()*	Spinel	Fe²⁺Cr₂O₄	0		3902
Cinnabar ()*	None	HgS	1	75961	2600
Clinozoisite ()*	Clinozoisite Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	75961	1025
Corundum ()*	Corundum	Al₂O₃	1	75959	1797
Cristobalite ()*	Cristobalite	SiO₂	1	75958	453
Cymrite ()*	None	Ba(Si,Al)₄(O,OH)₈·H₂O	0		46
Diaspore ()*	Diaspore	AlO(OH)	1	75961	481
Diopside ()*	Pyroxene	CaMgSi₂O₆	1	75959	4135
Dumortierite ()*	Dumortierite	AlAl₆BSi₃O₁₈	1	75959	231
Edenite ()*	Amphibole	NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂	1	75955	160
Epidote ()*	Epidote Clinozoisite	Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	1	75963	8173
Epidote-(Sr) ()*	Epidote	CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)	0		8
Fluorstrophite ()*	Apatite	SrCaSr₃(PO₄)₃F	1	75956	9
Galena ()*	Rocksalt	PbS	1	75961	24243
Glaucophane ()*	Amphibole	Na₂(Mg₃Al₂)Si₈O₂₂(OH)₂	1	75956	286
Graphite ()*	None	C	0		2812
Grossular ()*	Garnet	Ca₃Al₂(SiO₄)₃	1	75959	1544
Heazlewoodite ()*	None	Ni₃S₂	0		205
Ilmenite ()*	Corundum	Fe²⁺Ti⁴⁺O₃	0		5433
Itoigawaite ()*	Lawsonite	SrAl₂Si₂O₇(OH)₂·H₂O	1	75963	2
Jadeite ()*	Pyroxene	NaAlSi₂O₆	7	75955,75959,75960,75961,75962,75963,75965	154
Kosmochlor ()*	Pyroxene	NaCr³⁺Si₂O₆	1	75959	13
Lamprophyllite ()*	None	(SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂	1	75955	63
Lawsonite ()*	Lawsonite	CaAl₂(Si₂O₇)(OH)₂·H₂O	0		121
Leucosphenite ()*	None	Na₄BaTi₂B₂Si₁₀O₃₀	2	75957,75958	19
Magnesio-riebeckite ()*	Amphibole	Na₂(Mg₃Fe³⁺₂)Si₈O₂₂(OH)₂	3	75957,75958,75962	93
Margarite ()*	Mica Clay	CaAl₂Si₂Al₂O₁₀(OH)₂	0		168
Matsubaraite ()*	Chevkinite	Sr₄Ti₅O₈(Si₂O₇)₂	1	75955	1
Montmorillonite ()*	Clay Smectite-vermiculite	(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O	1	75958	1508
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	4	75958,75959,75961,75963	17380
Natrolite ()*	Natrolite	Na₂(Si₃Al₂)O₁₀·2H₂O	2	75955,75963	1236
Niigataite ()*	Clinozoisite Epidote	CaSrAl₃[Si₂O₇][SiO₄]O(OH)	1	75961	2
Ohmilite ()*	Ohmilite	Sr₃(Ti,Fe³⁺)(Si₂O₆)₂(O,OH)·2H₂O	3	75956,75958,75962	2
Omphacite ()*	Pyroxene	(Ca,Na)(Mg,Fe,Al)Si₂O₆	5	75955,75958,75959,75960,75963	229
Paragonite ()*	Mica Clay	NaAl₂(Si₃Al)O₁₀(OH)₂	1	75959	247
Pargasite ()*	Amphibole	NaCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂	1	75959	313
Pectolite ()*	Pectolite	NaCa₂Si₃O₈(OH)	2	75962,75963	363
Phlogopite ()*	Mica Clay	KMg₃(AlSi₃O₁₀)(OH)₂	2	75956,75958	2273
Piemontite-(Sr) ()*	Clinozoisite Epidote	CaSr(Al₂Mn³⁺)[Si₂O₇][SiO₄]O(OH)	0		12
Prehnite ()*	Prehnite	Ca₂Al(Si₃Al)O₁₀(OH)₂	3	75958,75961,75963	1898
Preiswerkite ()*	Mica	NaAlMg₂(Si₂Al₂)O₁₀(OH)₂	0		14
Pyrite ()*	Pyrite	FeS₂	1	75959	39462
Quartz ()*	Quartz	SiO₂	5	75956,75957,75961,75963,75964	61156
Rengeite ()*	Chevkinite	Sr₄Ti₄ZrO₈(Si₂O₇)₂	2	75955,75963	3
Riebeckite ()*	Amphibole	Na₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂	1	75958	375
Rutile ()*	Rutile	TiO₂	1	75955	5614
Shandite ()*	None	Ni₃Pb₂S₂	0		14
Slawsonite ()*	None	Sr(Al₂Si₂O₈)	0		12
Spinel ()*	Spinel	MgAl₂O₄	1	75959	1934
Stronadelphite ()*	Apatite	Sr₅(PO₄)₃F	0		4
Stronalsite ()*	None	Na₂SrAl₄Si₄O₁₆	0		10
Strontianite ()*	Aragonite	Sr(CO₃)	0		589
Strontio-orthojoaquinite ()*	Joaquinite	NaSr₄Fe³⁺Ti₂Si₈O₂₄(OH)₄	4	75956,75957,75958,75962	2
Strontiochevkinite ()*	Chevkinite	(Sr,Ce,La)₄Fe²⁺(Ti,Zr)₄O₈(Si₂O₇)₂	0		3
Strontiojoaquinite ()*	Joaquinite	(Na,Fe)₂Ba₂Sr₂Ti₂(SiO₃)₈(O,OH)₂·H₂O	1	75956	4
Tausonite ()*	Perovskite	SrTiO₃	1	75955	5
Thomsonite-Ca ()*	Thomsonite	NaCa₂(Al₅Si₅)O₂₀·6H₂O	0		452
Thomsonite-Sr ()*	Thomsonite	NaSr₂(Al₅Si₅)O₂₀·6-7H₂O	1	75959	3
Titanite ()*	Titanite	CaTi(SiO₄)O	1	75955	4899
Tremolite ()*	Amphibole	Ca₂(Mg_5.0-4.5Fe²⁺_0.0-0.5)Si₈O₂₂(OH)₂	2	75959,75961	2562
Xonotlite ()*	None	Ca₆Si₆O₁₇(OH)₂	1	75963	109
Zircon ()*	Zircon	Zr(SiO₄)	3	75955,75961,75963	5251
Zoisite ()*	Epidote	Ca₂Al₃[Si₂O₇][SiO₄]O(OH)	1	75959	1025

No ages have been assigned to this locality yet.

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...