eskolaite
Sign in to saveEskolaite is a rare chromium oxide mineral (chromium(III) oxide Cr2O3).
In the Vinony graph
Vinony's link graph records 14 inbound references to eskolaite, and connects out to Finland, Guyana and Ireland.
Vinony files it under Chromium minerals, Hematite group and Minerals described in 1958.
Vinony links it to 11 Wikipedia language editions.
Key facts
- Mineral.name
- Eskolaite
- Mineral.image
- Eskolaite.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Eskolaite from Russia
- Mineral.category
- Oxide mineral
- Mineral.formula
- Cr2O3
- Mineral.IMAsymbol
- Esk
- Mineral.strunz
- 4.CB.05
- Mineral.system
- Trigonal
- Mineral.class
- Hexagonal scalenohedral ( m) H-M symbol: ( 2/m)
- Mineral.symmetry
- Rc, No. 167
- Mineral.unit cell
- a = 4.95, c = 13.58 [Å]; Z = 6
- Mineral.color
- Black to dark green
- Mineral.habit
- Hexagonal prisms and plates
- Mineral.cleavage
- None
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 8 – 8.5
- Mineral.luster
- Vitreous or metallic
via Wikipedia infobox
Wikidata facts
- Has part
- dichromium trioxide
- Image
- Eskolaite.jpg
Show 8 more facts
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 4.CB.05
- Nickel-Strunz 9th edition (updated 2009)
- 4.CB.05
- crystal system
- trigonal crystal system
- type locality (geology)
- Outokumpu
- Commons category
- Eskolaite
- chemical formula
- Cr₂O₃
- IMA Mineral Symbol
- Esk
- Strunz 8th edition (series ID, updated)
- IV/C.04a
Sources (1)
via Wikidata · CC0
~1 min read
Encyclopedic overview
4 sectionsContents
- Discovery and occurrence
- Structure and physical properties
- See also
- References
Eskolaite is a rare chromium oxide mineral (chromium(III) oxide Cr2O3).
==Discovery and occurrence== It was first described in 1958 for an occurrence in the Outokumpu ore deposit of eastern Finland. It occurs in chromium bearing tremolite skarns, metamorphosed quartzites and chlorite bearing veins in Finland; in glacial boulder clays in Ireland and in stream pebbles in the Merume River of Guyana. It has also been recognized as a rare component in chondrite meteorites.
Excerpted from Wikipedia’s “eskolaite” article, available under the CC BY-SA 4.0 licence.