اوژیت
Sign in to saveAugite, also known as Augurite, is a common rock-forming pyroxene mineral with formula . The crystals are monoclinic and prismatic. Augite has two prominent cleavages, meeting at angles near 90 degrees.
Key facts
- Mineral.name
- Augite
- Mineral.category
- Inosilicate minerals (single chain)
- Mineral.group
- Pyroxene group, clinopyroxene subgroup
- Mineral.image
- Augite Rwanda.jpg
- Mineral.imagesize
- 260px
- Mineral.caption
- Augite – Muhavura volcano
- Mineral.IMAsymbol
- Aug
- Mineral.strunz
- 9.DA.15
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- C2/c
- Mineral.unit cell
- a = 9.699, b = 8.844 c = 5.272 [Å] β = 106.97°; Z = 4
- Mineral.color
- Black, brown, greenish, violet-brown; in thin section, colorless to gray with zoning common
- Mineral.habit
- Commonly as stubby prismatic crystals, also acicular, skeletal, dendritic
- Mineral.twinning
- Simple or multiple on {100} and {001}
- Mineral.cleavage
- {110} good with 87° between {110} and {10}; parting on {100} and {010}
- Mineral.fracture
- uneven to conchoidal
- Mineral.tenacity
- brittle
via Wikipedia infobox