Key facts
- Mineral.name
- Tephroite
- Mineral.category
- Silicate mineral
- Mineral.image
- Tephroite Manganese silicate Kaao Mine Tochigi-ken Honshu Japan 1816.jpg
- Mineral.caption
- Tephroite from Japan
- Mineral.formula
- Mn2SiO4
- Mineral.IMAsymbol
- Tep
- Mineral.system
- Orthorhombic
- Mineral.class
- Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m)
- Mineral.symmetry
- Pnma (no. 62)
- Mineral.unit cell
- a = 4.88(2) Å, b = 10.61(2) Å c = 6.24(2) Å; Z = 4
- Mineral.color
- Olive-green, bluish green, gray, °esh-red, reddish brown; pale green in thin section, may be colorless
- Mineral.habit
- Crystals typically short, prismatic, to 4 cm, or anhedral, equidimensional. Commonly in disseminated grains, compact, or massive.
- Mineral.twinning
- Uncommon on {011}
- Mineral.cleavage
- {010}, distinct; {001}, imperfect
- Mineral.fracture
- Uneven to conchoidal
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 6
- Mineral.luster
- Vitreous to greasy
via Wikipedia infobox
Wikidata facts
- Named after
- color
- Image
- Tephroite and Willemite - Franklin Mine, Sussex County, New Jersey, USA.jpg
Show 9 more facts
- IMA Mineral Symbol
- Tep
- Strunz 8th edition (series ID, updated)
- VIII/A.03
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AC.05
- Commons category
- Tephroite
- Nickel-Strunz 9th edition (updated 2009)
- 9.AC.05
- crystal system
- orthorhombic crystal system
- solid solution series with
- forsterite
- chemical formula
- Mn²⁺₂SiO₄
- Mohs' hardness
- 6
Sources (2)
via Wikidata · CC0