Key facts
- Mineral.mohs
- 7–7.5
- Mineral.name
- Simpsonite
- Mineral.category
- Oxide minerals
- Mineral.image
- Simpsonite-154999.jpg
- Mineral.imagesize
- 300px
- Mineral.caption
- Locality: Alto do Giz pegmatite, Rio Grande do Norte, Brazil. Size: 1.6 × 1.5 × 1.8 cm.
- Mineral.IMAsymbol
- Spn
- Mineral.molweight
- 813.65 g/mol
- Mineral.strunz
- 4.DC.10
- Mineral.system
- Trigonal
- Mineral.class
- Pyramidal (3) H-M symbol: (3)
- Mineral.symmetry
- P3
- Mineral.unit cell
- a = 7.37, c = 4.51 [Å]; Z = 1
- Mineral.color
- White to cream, yellow to yellow-brown when altered
- Mineral.habit
- Euhedral, prismatic, striated
- Mineral.cleavage
- None
- Mineral.fracture
- Conchoidal
- Mineral.tenacity
- Brittle
via Wikipedia infobox
Article · Italiano
La simpsonite è un minerale.
Abstract from DBpedia / Wikipedia · CC BY-SA