Epidote

Epidote
Epidoot, Epidootti, Epidot, Epidota, Epidotas, Épidote, Epidoto, Епідот, 緑簾石, 紅綠寶石, אפידוט

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

Formula: Ca₂(Fe³⁺,Al)₃(SiO₄)₃(OH)
Mineral class: silicates
Crystal system: monoclinic
Mohs scale: 6 - 7
Density (g/cm³): 3.45
Cleavage: different
Colors: yellow-green, dark green; reddish-brown
Luster: vitreous - resinous
Fluorescence: -
Pleochroism: strong: yellow - green - brown
Largest Epidote: 0.419 kg (source: www.mineralien-basel.ch), 35 cm?
Deposits: worldwide
1st Description: 1892

Epidote Mineral

Origin: Pakistan

Photo by kind permission of © www.mineraltivadar.fw.hu, Tivadar Pécsi.

Epidote

Weight: 0.53 ct

Origin: Pakistan

Photo by kind permission of © www.americanthai.com, Scott Davies.

Epidote

Weight: 0.35 ct

Origin: Austria

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Epidote Mineral

Origin: Lago Fallin / Val di Viu / Piemonte / Italy

Photo by kind permission of © www.irocks.com, Dr. Robert Lavinsky.

Formula Tawmawite: Ca₂(Al,Fe³⁺,Cr)₃[O/OH/SiO₄/Si₂O₇]
Mineral class: silicates
Crystal system: monoclinic
Mohs scale: 6 - 7
Density (g/cm³): ?
Colors: green
Fluorescence: -
Pleochroism: ?
Largest Tawmawite:
Deposits: Austria, Finland, Italy, Myanmar, Pakistan, USA