Mineralpedia Details for Mapimite

Named for the type locality at Mina Ojuela in Mapimi, Durango, Mexico. Mapimite is a rare mineral that occurs only at its type locality and a newer locality in Greece and is found in oxidized arsenic-bearing polymetallic ore deposits of hydrothermal origin. Associated minerals include scorodite, adamite, smithsonite, and limonite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/mapimite.pdf

Formula

Zn₂Fe³⁺₃(AsO₄)₃(OH)₄·10H₂O 

Crystal System

Monoclinic 

Cleavage

Good, None, None 

Luster

Vitreous (Glassy) 

Color

blue, green 

Streak

white 

Class

Monoclinic - Domatic 

Hardness

3 

WebMineral

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Mindat

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Special Info

Type Locality

This specimen is originally from Richard Gaines, a 3x8mm matrix covered with micro crystals.  Two world wide localities.