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Legrandite with Ojuelaite, Scorodite and Adamite

#PD31475

Legrandite with Ojuelaite, Scorodite and Adamite

#PD31475
Availability
Sold
Price
$1,350.00
Size
5 x 4 x 4 cm - Miniature 
Formula
Zn2AsO4(OH)·H2O (RRUFF)
Locality
Mina Ojuela, Mapimi, Durango, Mexico
Tagged
arsenate

Excellent showy specimen in combination with Ojuelaite. The Legrandite is a golden yellow divergent spray to 3cm on clear Adamite. Outward from the Legrandite spray are groups of fibrous light yellowish green balls of Ojuelaite to 2mm and a 30 x 4mm seam of darker green Ojuelaite at the base. Around and intimately associated with the Ojuelaite are undetermined green crystals. There are glassy light blue crystals of Scorodite on the Adamite in places and I suspect the mysterious green crystals with the Ojuelaite are also Scorodite. I don't think these are Mapimite.

Legrandite

Formula
Zn2AsO4(OH)·H2
Crystal System
Monoclinic 
Crystal Habit
Crystalline - Fine, Prismatic 
Cleavage
Imperfect, None, None 
Luster
Vitreous (Glassy) 
Color
yellow, yellowish orange 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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