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crocoitecrocoite-(halide)

Crocoite (Chromate) 

PbCrO4

Hardness: 2.5 - 3.0
Specific Gravity: 6.0

Characteristics: Orange red; adamantine luster; perfect cleavage in one direction; thin prismatic crystals often have striations parallel to prism faces. May be poisonous.

Found as a rare secondary Pb mineral associated with veined lead deposits; may be found with cerussite, pyromorphite, or wulfenite.

Crocoite's uses include intrinsic value for mineral collections and in artist's paints. The ore, however, is too rare to be useful commercially.

(Primary text: Perkins, D. 2002. Mineralogy. Prentice Hall.)

 
 

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