Crocoite

Crocoiet, Crocoita, Crocoïte, Krokoit, Крокоит, 紅鉛鉱, 鉻鉛礦


Commonly known      rarer (so called collectors stones)      very rare (rarities)      relatively rare organic material


Formula: Pb(CrO4)
Mineral class: chromates
Crystal system: monoclinic
Mohs scale: 2.5 - 3
Density (g/cm3): 5.9 - 6.1
Refractive index: 2.29 - 2.66
Cleavage: distinct - indistinct
Colors: orange, red
Transparency: transparent - translucent
Luster: vitreous - adamantine
Fluorescence: -
Pleochroism: weak: X,Y: red-orange, Z: blood red
Largest crystal: 15 cm?
Deposits: worldwide
Discovery: 1763
1st Description: 1763 (Lomonosov)
Name: from the Latin word "crocus", related to the color of the crocus plants

Crocoite Mineral

Size: appr. 13 cm

Origin: Adelaide Mine / Dundas / Zeehan Distr. / Tasmania / Australia

Photo by kind permission of © www.treasuremountainmining.com
Crocoite Mineral
Crocoite

Weight: 4.35 ct

Origin: Tasmania / Australia

Photo by kind permission of © www.minclassics.com

Crocoite Mineral

Size: appr. 1 cm

Origin: Dundas / Zeehan Distr. / Tasmania / Australia

Photo by kind permission of © Harjo Neutkens
Crocoite Mineral
Crocoite

Weight: 0.21 ct

Origin: Dundas / Zeehan Distr. / Tasmania / Australia

Photo by kind permission of © Darlene Cobler

Crocoite Mineral

Size: 10.5 x 9.0 x 3.8 cm

Origin: Callenberg / Glauchau / Saxony / Germany

Photo by kind permission of © www.irocks.com
Crocoite Mineral


⇐ Intro Page ⇐ Gemstones