Ashoverite
One of three natural forms of zinc hydroxide, first found in a Derbyshire limestone quarry in 1988.
Intro adapted from Wikipedia (CC BY-SA).
Ashoverite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Zn(OH)₂.
It crystallizes in the tetragonal crystal system (space group I4_1/amd).
Key properties: specific gravity 3.3; White streak; Dull to vitreous luster; optically uniaxial.
IMA symbol Aov, IMA status: approved, named in 1986.
Found in an oxidized vein in limestone (near Ashover, England).
It is found associated with Sweetite, wülfingite, fluorite (near Ashover, England).
The name is derived from the locality at Ashover, England, where it was first found.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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