Key facts
- Mineral.boxbgcolor
- 115544
- Mineral.boxtextcolor
- fff
- Mineral.name
- Dioptase
- Mineral.category
- Cyclosilicates
- Mineral.image
- Dioptase, quartz 1100.2612.jpg
- Mineral.imagesize
- 260px
- Mineral.IMAsymbol
- Dpt
- Mineral.strunz
- 9.CJ.30
- Mineral.system
- Trigonal
- Mineral.class
- Rhombohedral () H–M symbol: ()
- Mineral.symmetry
- R (No. 148)
- Mineral.unit cell
- a = 14.566, c = 7.778 [Å]; Z = 18
- Mineral.color
- Dark teal, emerald green
- Mineral.habit
- Six-sided prisms terminated by rhombohedrons, to massive
- Mineral.cleavage
- Perfect in three directions
- Mineral.fracture
- Conchoidal
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 5
via Wikipedia infobox
Wikidata facts
- Subclass of
- cyclosilicates
- Image
- Dioptasecongo2.jpg
Show 11 more facts
- Strunz 8th edition (series ID, updated)
- VIII/C.09
- Commons category
- Dioptase
- chemical formula
- CuSiO₃·H₂O
- Nickel-Strunz 9th edition (updated 2009)
- 9.CJ.30
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.CJ.30
- crystal system
- trigonal crystal system
- type locality (geology)
- Karaganda Region
- streak color
- green
- described by source
- Encyclopædia Britannica 11th edition
- Mohs' hardness
- 5
- IMA Mineral Symbol
- Dpt
Sources (2)
via Wikidata · CC0
Article · Italiano
Il dioptasio è un minerale appartenente alla sottoclasse dei ciclosilicati. Fu scoperto dal tedesco Rudolph Farber, verso la fine del Settecento, che lo definì per errore una varietà di smeraldo.
Abstract from DBpedia / Wikipedia · CC BY-SA