kochite

{{Infobox mineral | name = Kochite | category = Sorosilicates Rosenbuschite group | boxwidth = | boxbgcolor = | image = | imagesize = | caption = | formula = | IMAsymbol = Koh | molweight = | system = Triclinic | class = Pinacoidal () (same H-M symbol) | symmetry = P | unit cell = a = 10.03, b = 11.33 c = 7.202 [Å]; α = 90.19° β = 100.33°, γ = 111.55°; Z = 2 | color = Colorless to light brown | habit = Acicular to lath-shaped prismatic crystals | twinning = | cleavage = {100} perfect | fracture = Uneven | tenacity = Brittle | mohs = 5 | luster = Vitreous | refractive = nα=1.684, nβ=1.695, nγ=1.718 | opticalprop = Biaxial (+) | birefringence = 0.0340 | pleochroism = weak, colorless to pale brownish-yellow | streak = White | gravity = 3.32 | density = | melt = | fusibility = | diagnostic = | solubility = | diaphaneity = Transparent | other = | references = }}

Kochite is a rare silicate mineral with chemical formula of or double that. Kochite is a member of the rosenbuschite group.