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EntityQ248885· pop 11· linked from 5 articles

Also known as zykaite, IMA1976-039

Zykaite or zýkaite is a grey-white mineral consisting of arsenic, hydrogen, iron, sulfur and oxygen with formula: Fe3+4(AsO4)3(SO4)(OH)·15(H2O). This dull mineral is very soft with a Mohs hardness of only 2 and a specific gravity of 2.5. It is translucent and crystallizes in the orthorhombic crystal system.

Key facts

Mineral.name
Zykaite
Mineral.image
Zýkaite.jpg
Mineral.caption
Zykaite found in the Czech Republic
Mineral.formula
Fe3+4(AsO4)3(SO4)(OH)·15(H2O)
Mineral.color
Grey-white, Yellow-white, Green-white
Mineral.fracture
Irregular, Uneven
Mineral.tenacity
Waxy
Mineral.mohs
2
Mineral.luster
Dull
Mineral.streak
Pale yellow
Mineral.diaphaneity
Translucent
Mineral.gravity
2.5
Mineral.density
2.50 g/cm3

via Wikipedia infobox

Wikidata facts

Image
Zýkaite.jpg
Show 4 more facts
Commons category
Zýkaite
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
8.DB.45
Nickel-Strunz 9th edition (updated 2009)
8.DB.45
IMA Mineral Symbol
Zýk
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Zykaite or zýkaite is a grey-white mineral consisting of arsenic, hydrogen, iron, sulfur and oxygen with formula: Fe3+4(AsO4)3(SO4)(OH)·15(H2O). This dull mineral is very soft with a Mohs hardness of only 2 and a specific gravity of 2.5. It is translucent and crystallizes in the orthorhombic crystal system.

It is in the Sanjuanite-Destinezite mineral group, containing group members Destinezite, Sanjuanite, and Sarmientite.

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