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:
Risøya, Langesundsfjorden, Porsgrunn, Telemark, Norway

mindat Locality ID: 13735
mindat URL: http://www.mindat.org/loc-13735.html

Tectonic Settings:

Total number of sublocalities beneath "Risøya, Langesundsfjorden, Porsgrunn, Telemark, Norway": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Risøya S
Risøya SW

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.

Arsenopyrite	Calcite	Cancrinite-sodalite	Clay	Corundum	Diaspore	Eudialyte	Fluorite	Löllingite	Mica
None	Sodalite	Sphalerite	Spinel	Titanite	Tridymite	Wöhlerite	Zircon

Arsenopyrite ()*	Calcite ()*	Diaspore ()*	Eudialyte ()*	Eudidymite ()*
Fluorite ()*	Gibbsite ()*	Leucophanite ()*	Löllingite ()*	Magnetite ()*
Muscovite ()*	Nepheline ()*	Pyrophanite ()*	Rosenbuschite ()*	Sodalite ()*
Sphalerite ()*	Titanite ()*	Wöhlerite ()*	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 Be C Ca Cl F Fe H K Mn Na Nb O S Si Ti Zn Zr

Elements from minerals reported directly at this locality: Al As Be Ca Cl F Fe H K Na O S Si Ti Zr

Structural Groups for minerals in this locality:
Arsenopyrite Calcite Cancrinite-sodalite Clay Corundum Diaspore Eudialyte Fluorite Löllingite Mica
None Sodalite Sphalerite Spinel Titanite Tridymite Wöhlerite Zircon

19 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Arsenopyrite ()*	Arsenopyrite	FeAsS	0		9052
Calcite ()*	Calcite	Ca(CO₃)	1	93910	27770
Diaspore ()*	Diaspore	AlO(OH)	1	93910	481
Eudialyte ()*	Eudialyte	Na₁₅Ca₆Fe₃Zr₃Si(Si₂₅O₇₃)(O,OH,H₂O)₃(Cl,OH)₂	0		182
Eudidymite ()*	None	Na₂Be₂Si₆O₁₅·H₂O	0		42
Fluorite ()*	Fluorite	CaF₂	0		9617
Gibbsite ()*	None	Al(OH)₃	1	93910	504
Leucophanite ()*	None	NaCaBeSi₂O₆F	0		55
Löllingite ()*	Löllingite	FeAs₂	1	93910	762
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄	0		14899
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	0		17380
Nepheline ()*	Tridymite	Na₃K(Al₄Si₄O₁₆)	0		884
Pyrophanite ()*	Corundum	Mn²⁺TiO₃	1	93910	244
Rosenbuschite ()*	None	Ca₆Zr₂Na₆ZrTi(Si₂O₇)₄(OF)₂F₄	1	93910	42
Sodalite ()*	Cancrinite-sodalite Sodalite	Na₄(Si₃Al₃)O₁₂Cl	1	93910	444
Sphalerite ()*	Sphalerite	ZnS	1	93910	21482
Titanite ()*	Titanite	CaTi(SiO₄)O	0		4899
Wöhlerite ()*	Wöhlerite	Na₂Ca₄Zr(Nb,Ti)(Si₂O₇)₂(O,F)₄	1	93910	83
Zircon ()*	Zircon	Zr(SiO₄)	0		5251

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...