Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Thortveitite from
Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden


04054390017272042669308.jpg
Thortveitite

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
07259750017272042842333.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
01032940017272042845643.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
07035000017370494614573.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
04054390017272042669308.jpg
Thortveitite

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
07259750017272042842333.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
01032940017272042845643.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
07035000017370494614573.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
04054390017272042669308.jpg
Thortveitite

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
05745340017272042851509.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
01032940017272042845643.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
02513750017370494626833.jpg
Thortveitite, etc.

Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
Locality type:Pegmatite
Classification
Species:Thortveitite
Formula:Sc2Si2O7
Comments:Found in close association with euxenite.
Preliminary EDS analyses shows very low content of Y and heavy REE's (Langhof 1996).

Purest thortveitite known, - nearly pure Sc2Si2O7
Habit:platy crystals or rectangular section
Colour:Greyish green
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Euxenite-(Y)4
Microcline4
Biotite2
Magnetite1
Data
Mineral Data:Click here to view Thortveitite data
Locality Data:Click here to view Ytterlida pegmatite, Överlida, Svenljunga, Västra Götaland County, Sweden
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:278173
Long-form Identifier:1:3:278173:0
GUID (UUID V4):0
References
Kjellman (analyst)
Langhof, J. (1996) Thortveitite from granitic NYF pegmatites in Sweden. GFF, 118. 54 doi:10.1080/11035899609546336
 
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