File:MarcassiteII.jpg · Wikimedia Commons · See Wikimedia Commons
Key facts
- Mineral.name
- Marcasite
- Mineral.category
- Sulfide mineral
- Mineral.image
- MarcassiteII.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Marcasite with tarnish (8×6 cm)
- Mineral.formula
- FeS2
- Mineral.IMAsymbol
- Mrc
- Mineral.molweight
- 119.98 g/mol
- Mineral.strunz
- 2.EB.10a
- Mineral.system
- Orthorhombic
- Mineral.class
- Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
- Mineral.symmetry
- Pnnm
- Mineral.unit cell
- a 4.436 Å, b 5.414 Å, c 3.381 Å; Z 2
- Mineral.color
- Tin-white on fresh surface, pale bronze-yellow, darkening on exposure, iridescent tarnish
- Mineral.habit
- Crystals typically tabular on {010}, curved faces common; stalactitic, reniform, massive; cockscomb and spearhead shapes due to twinning on {101}.
- Mineral.twinning
- Common and repeated on {101}; less common on {011}.
- Mineral.cleavage
- Cleavage: {101}, rather distinct; {110} in traces
- Mineral.fracture
- Irregular/Uneven
via Wikipedia infobox
Wikidata facts
- Named after
- pyrite
- Image
- MarcassiteII.jpg
Show 7 more facts
- Nickel-Strunz 9th edition (updated 2009)
- 2.EB.10a
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 2.EB.10a
- chemical formula
- FeS₂
- Commons category
- Marcasite
- crystal system
- orthorhombic crystal system
- IMA Mineral Symbol
- Mrc
- Strunz 8th edition (series ID, updated)
- II/C.07
Sources (2)
via Wikidata · CC0
Article · Italiano
La marcasite è un solfuro di ferro, appartenente al gruppo della marcasite-löllingite, simile alla pirite (ma più leggero e fragile) e ugualmente usato per l'estrazione dell'acido solforico.Caratterizzata da durezza, non si sfalda facilmente.
Abstract from DBpedia / Wikipedia · CC BY-SA