Juabite
Juabite is an IMA-recognized mineral species in the arsenate class, with the chemical formula CaCu₁₀(Te⁴⁺O₃)₄(AsO₄)₄(OH)₂·4H₂O.
It crystallizes in the triclinic crystal system (space group P-1).
Key properties: Mohs hardness 3–4; specific gravity 4.5; Pale green streak; Vitreous to adamantine on cleavages luster.
IMA symbol Jua, IMA status: approved, named in 1996.
A very rare secondary mineral formed by the reaction of enargite and tellurium-enriched solutions.
It is found associated with Enargite, beudantite, quartz.
The name refers to Juab Co., Utah, USA, where the first specimen was collected.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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