Legrandite

specimen number:
9507009

location:
Ojuela Mine, Mapimi, Durango, Mexico

description:

A spray of lustrous thick terminated legrandite crystals almost 2.0 cm in height coming beautifully off matrix. In excellent condition. Scalenohedral crystals of smithsonite cover the matrix.

The Ojuela Mine near Mapimi in Durango, Mexico, is a historic polymetallic deposit that was first worked in the 17th century for silver, lead, and zinc. The mine became one of the most famous mineral localities in Mexico due to its large system of oxidation zone workings that produced many rare secondary minerals. Among the most notable species is legrandite, a rare zinc arsenate first described from Ojuela in 1939. Legrandite occurs as bright yellow prismatic crystals formed in the oxidized portions of the deposit and is highly valued by mineral collectors.

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