Xocolatlite

Xocolatlite is a sulfate mineral named for its chocolatey appearance. Discovered in the La Bambolla gold mine of Moctezuma, Sonora, Mexico, Xocolatlite's name is derived from the Nahuatl word xocolatl (literally "bitter water"; a root word of "chocolate"), a drink made from cocoa, water, and chili.

Xocolatlite
Moctezuma Mine, Moctezuma, Municipio de Moctezuma, Sonora, Mexico
General
Category	Sulfate minerals
Formula	Ca2Mn4+2(Te6+O6)2 · H2O
IMA symbol	Xoc[1]
Strunz classification	7.DF.85
Crystal system	Monoclinic
Crystal class	Prismatic (2/m) (same H-M symbol)
Space group	P2/m
Identification
Formula mass	655.24 g/mol
Color	Chocolate brown
Crystal habit	Encrustations; Micaceous
Fracture	Conchoidal
Mohs scale hardness	2-3
Luster	Vitreous
Streak	Copper brown
Diaphaneity	Transparent
Specific gravity	4.10 g/cc
Density	4.1 g/cc
References	[2][3]