Key facts
- Mineral.caption
- Torbernite crystals from Mashamba West Mine, Kolwezi, Katanga Province, Democratic Republic of the Congo
- Mineral.formula
- Cu[(UO2)(PO4)]2(H2O)12
- Mineral.IMAsymbol
- Tor
- Mineral.molweight
- 641 – 713 g/mol, depending the degree of water loss
- Mineral.strunz
- 8.EB.05
- Mineral.system
- Tetragonal
- Mineral.class
- Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m)
- Mineral.symmetry
- I4/mmm
- Mineral.color
- Emerald green to apple green
- Mineral.habit
- Tabular crystals; Foliated to earthy masses and encrustations
- Mineral.twinning
- Rare on [110]
- Mineral.cleavage
- [001] Perfect; [100] Distinct
- Mineral.fracture
- Brittle
- Mineral.mohs
- 2–2.5
- Mineral.luster
- Vitreous; pearly
- Mineral.refractive
- nω = 1.590 – 1.592 nε = 1.581 – 1.582
- Mineral.opticalprop
- Uniaxial (−)
- Mineral.birefringence
- δ = 0.009 – 0.010
via Wikipedia infobox
Wikidata facts
- Named after
- Torbern Bergman
- Image
- Wulfenite-Kasolite-Torbernite-214957.jpg
Show 9 more facts
- type locality (geology)
- Johanngeorgenstadt
- Commons category
- Torbernite
- crystal system
- tetragonal crystal system
- Nickel-Strunz 9th edition (updated 2009)
- 8.EB.05
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 8.EB.05
- Commons gallery
- Torbernite
- IMA Mineral Symbol
- Tor
- chemical formula
- Cu(UO₂)₂(PO₄)₂·12H₂O
- Strunz 8th edition (series ID, updated)
- VII/D.20a
Sources (1)
via Wikidata · CC0
Article · Français
La torbernite est une espèce minérale composée de phosphate hydraté d’uranyle et de cuivre du groupe de l’autunite pouvant contenir des traces de Ca, Mg et Ba.Les cristaux peuvent atteindre jusqu'à 2,5 cm
Abstract from DBpedia / Wikipedia · CC BY-SA