Sincosite

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Sincosite
Sincosite-Minyulite-27303.jpg
Sincosite with an associated spray of white, acicular minyulite; from Ross Hannibal Mine, South Dakota, US
General
Category Vanadate minerals
Formula
(repeating unit)
CaV2(PO4)2O2 . 5H2O
Strunz classification 8.CJ.65
Crystal system Tetragonal
Crystal class Ditetragonal dipyramidal (4/mmm)
H-M symbol: (4/m 2/m 2/m)
Space group P42/nnm
Identification
Tenacity Brittle
Mohs scale hardness 1 - 2
Luster Vitreous, Pearly, Sub-Metallic, Dull
References [1]

Sincosite is a green mineral discovered in 1922. It is named for Sincos, Daniel Alcides Carrión Province, Peru, where it was first discovered.[1]

References[edit]