Formula: Zn2(AsO4)(OH)·H2O
Mineral class: arsenates Crystal system: monoclinic Mohs scale: 4.5 Density (g/cm3): 3.98 - 4.01 Refractive index: 1.675 - 1.740 Cleavage: fair - poor Colors: colorless, yellow Transpareny: transparent - translucent Luster: vitreous Fluorescence: - Pleochroism: X, Y: colorless - yellow, Z: yellow Largest crystal: 28 cm? Deposits: worldwide Discovery: 1932 1st Description: 1963? Name: in honor of the Belgium mining engineer Legrande (Flor de Peña Mine / Nuevo León / Mexico) |
Legrandite Mineral
Size: 1.7 x 1.6 x 1.2 cm Origin: Ojuela Mine / Mapimi / Durango / Mexico Photo by kind permission of © www.irocks.com |
Legrandite Mineral
Size: 3.8 x 3.5 x 2.2 cm Origin: Ojuela Mine / Mapimi / Durango / Mexico Photo by kind permission of © www.irocks.com |
Legrandite
Weight: 0.07 ct Origin: Ojuela Mine / Mapimi / Durango / Mexico Photo by kind permission of © www.rocklogic.biz |
Legrandite
Weight: 0.22 ct Origin: Ojuela Mine / Mapimi / Durango / Mexico Photo by kind permission of © Darlene Cobler |
Legrandite
Weight: 0.19 ct Origin: Ojuela Mine / Mapimi / Durango / Mexico Photo by kind permission of © Darlene Cobler |