Mineralpedia Details for 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)2ยท4H2O
- Crystal System
- Monoclinic
- Cleavage
- Good, None, None
- Luster
- Vitreous (Glassy)
- Color
- greenish yellow
- Streak
- light yellow
- Class
- Monoclinic - Prismatic
- Hardness
- 3
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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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