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Mineralpedia Details for Ojuelaite

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Ojuelaite

Ojuelaite

Named after the type locality at Mina Ojuela near Mapimi in Durango, Mexico. Additional localities for Ojuelaite include at the Sterling mine in New Jersey, USA, at Laurion in Greece, and at the Tsumeb mine in Tsumeb, Namibia. Ojuelaite forms in oxidized arsenic-rich polymetallic hydrothermal ore deposits. Assocaited minerals include paradamite, scorodite, smithsonite, limonite, tennantite, and goethite.

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

Formula
ZnFe3+2(AsO4)2(OH)2ยท4H2
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous (Glassy) 
Color
greenish yellow 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Hardness
WebMineral
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Ojuelaite from Mina Ojuela, Mapimi, Durango, Mexico

Ojuelaite
            from Mina Ojuela, Mapimi, Durango, Mexico
Special Info
Type Locality

Light green, compact fibrous Ojuelaite crystals to 3mm as tight radial aggregates associated with blue Scorodite and Legrandite.

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