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:
Tohmajärvi, North Karelia, Finland

mindat Locality ID: 252686
mindat URL: http://www.mindat.org/loc-252686.html

Tectonic Settings:

Total number of sublocalities beneath "Tohmajärvi, North Karelia, Finland": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Oriselkä Pegmatite
Surmasuo S Pegmatite

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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.

Analcime	Apatite	Arsenopyrite	Beryl	Clay	Columbite	Feldspar	Fluorite	Hureaulite	Löllingite
Marcasite	Mica	None	Not in a structural group	Olivine	Pyrite	Pyroxene	Quartz	Rockbridgeite	Rutile
Sphalerite	Spinel	Tourmaline	Vivianite

Albite ()*	Analcime ()*	Arsenopyrite ()*	Bertrandite ()*	Beryl ()*
Bityite ()*	Cassiterite ()*	Columbite-(Mn) ()*	Elbaite ()*	Fluorapatite ()*
Hausmannite ()*	Heterosite ()*	Hureaulite ()*	Lithiophilite ()*	Löllingite ()*
Ludlamite ()*	Marcasite ()*	Microcline ()*	Montebrasite ()*	Muscovite ()*
Pollucite ()*	Purpurite ()*	Pyrite ()*	Quartz ()*	Rockbridgeite ()*
Sarcopside ()*	Schorl ()*	Sicklerite ()*	Sphalerite ()*	Spodumene ()*
Tantalite-(Mn) ()*	Triphylite ()*	Uraninite ()*	Vivianite ()*

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 Be Ca Cs F Fe H K Li Mn Na Nb O P S Si Sn Ta U Zn

Elements from minerals reported directly at this locality:

Structural Groups for minerals in this locality:
Analcime Apatite Arsenopyrite Beryl Clay Columbite Feldspar Fluorite Hureaulite Löllingite
Marcasite Mica None Not in a structural group Olivine Pyrite Pyroxene Quartz Rockbridgeite Rutile
Sphalerite Spinel Tourmaline Vivianite

34 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)	2	49885,49886	8803
Analcime ()*	Analcime	Na(AlSi₂O₆)·H₂O	1	49885	1627
Arsenopyrite ()*	Arsenopyrite	FeAsS	1	49885	9052
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂	1	49885	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	2	49885,49886	4286
Bityite ()*	Mica Clay	CaLiAl₂(Si₂BeAl)O₁₀(OH)₂	1	49885	31
Cassiterite ()*	Rutile	SnO₂	2	49885,49886	5171
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆	1	49885	289
Elbaite ()*	Tourmaline	Na(Al_1.5Li_1.5)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	1	49885	520
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F	1	49886	2740
Hausmannite ()*	Spinel	Mn²⁺Mn³⁺₂O₄	1	49885	350
Heterosite ()*	Olivine	Fe³⁺(PO₄)	1	49886	204
Hureaulite ()*	Hureaulite	Mn²⁺₅(PO₃OH)₂(PO₄)₂·4H₂O	1	49885	125
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)	1	49885	155
Löllingite ()*	Löllingite	FeAs₂	2	49885,49886	762
Ludlamite ()*	None	Fe²⁺₃(PO₄)₂·4H₂O	1	49885	66
Marcasite ()*	Marcasite	FeS₂	1	49885	5674
Microcline ()*	Feldspar	K(AlSi₃O₈)	2	49885,49886	4924
Montebrasite ()*	None	LiAl(PO₄)(OH)	2	49885,49886	200
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	2	49885,49886	17380
Pollucite ()*	Analcime	Cs(Si₂Al)O₆·nH₂O	1	49885	140
Purpurite ()*	Olivine	Mn³⁺(PO₄)	1	49885	80
Pyrite ()*	Pyrite	FeS₂	2	49885,49886	39462
Quartz ()*	Quartz	SiO₂	2	49885,49886	61156
Rockbridgeite ()*	Rockbridgeite	(Fe²⁺_0.5Fe³⁺_0.5)₂Fe³⁺₃(PO₄)₃(OH)₅	1	49885	206
Sarcopside ()*	None	Fe²⁺₃(PO₄)₂	1	49886	58
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)	2	49885,49886	2705
Sicklerite ()*	Olivine	LiMn²⁺(PO₄)	1	49885	66
Sphalerite ()*	Sphalerite	ZnS	1	49886	21482
Spodumene ()*	Pyroxene	LiAlSi₂O₆	1	49886	688
Tantalite-(Mn) ()*	Columbite	Mn²⁺Ta₂O₆	1	49886	211
Triphylite ()*	Olivine	LiFe²⁺(PO₄)	1	49886	313
Uraninite ()*	Fluorite	UO₂	1	49886	2718
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O	2	49885,49886	636

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...