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CYANOTRICHITE (LETTSOMITE) with AZURITE (small cabinet)
$291.50 AUD
Cyanotrichite (not confirmed), also referred to as lettsomite, is a hydrous mineral composed of copper, aluminum, and sulfate, with the chemical formula Cu4Al2[(OH)12|SO4]·2H2O. This mineral is characterized by its velvety, radial acicular crystal aggregates made up of extremely fine fibers. It crystallizes in the monoclinic system, resulting in translucent, bright blue acicular crystal clusters or drusy coatings. With a Mohs hardness of 2, its specific gravity varies between 2.74 and 2.95.
Cap la Garrone in the Var France