Key facts
- Mineral.name
- Johannite
- Mineral.category
- Sulfate mineral
- Mineral.image
- Johannit - Ronneburg.jpg
- Mineral.imagesize
- 260px
- Mineral.formula
- Cu[UO2(OH)SO4]2·8H2O
- Mineral.IMAsymbol
- Jh
- Mineral.strunz
- 7.EB.05 (10 ed) VI/D.21-10 (8 ed)
- Mineral.dana
- 31.8.2.1
- Mineral.system
- Triclinic
- Mineral.class
- Pinacoidal () (same H-M symbol)
- Mineral.symmetry
- P
- Mineral.color
- Emerald-green, apple-green
- Mineral.habit
- Prismatic, tabular, coatings
- Mineral.twinning
- Simple and repeated lamellar twinning
- Mineral.cleavage
- good on {100}
- Mineral.mohs
- 2 - 2.5
- Mineral.luster
- Vitreous
- Mineral.streak
- Pale green
via Wikipedia infobox
Wikidata facts
- Subclass of
- sulfate mineral
- Named after
- Archduke John of Austria
- Image
- Johannite-ea9b.jpg
Show 8 more facts
- Commons category
- Johannite
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 7.EB.05
- Nickel-Strunz 9th edition (updated 2009)
- 7.EB.05
- Mohs' hardness
- 2
- crystal system
- triclinic crystal system
- IMA Mineral Symbol
- Jh
- chemical formula
- Cu(UO₂)₂(SO₄)₂(OH)₂·8H₂O
- Strunz 8th edition (series ID, updated)
- VI/D.08b
Sources (1)
via Wikidata · CC0
Article · Español
La johannita es un mineral de la clase de los minerales sulfatos. Fue descubierta en 1830 en Jáchymov, en Bohemia (República Checa), siendo nombrada así en honor de Johann von Österreich, archiduque de Austria fundador del Museo Universal Joanneum. Un sinónimo poco usado es uranilovitriolo.
Abstract from DBpedia / Wikipedia · CC BY-SA