Montetrisaite
Montetrisaite is an IMA-recognized mineral species in the sulfate class, with the chemical formula Cu₆(SO₄)(OH)₁₀·2H₂O.
It crystallizes in the orthorhombic crystal system (space group Cmc2_1).
Key properties: Mohs hardness 2–3; specific gravity 3.023; Vitreous luster.
IMA symbol Mttr, IMA status: approved, named in 2007.
A secondary mineral formed near oxidizing sulfide minerals.
It is found associated with Kaolinite, galena, sphalerite, chalcopyrite, cerussite, anglesite, goethite, langite, posnjakite, linarite, redgillite.
The name refers to the first described locality, Monte Trisa, Italy.
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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