Formula: Al[AlSiO5]
Mineral class: silicates Crystal system: rhombic Mohs scale: 7.5 Density (g/cm3): 3.12 - 3.18 Refractive index: 1.627 - 1.649 Cleavage: different Colors: yellowish, green, grey-brown, red-brown Luster: vitreous - subvitreous Fluorescence: slight green Pleochroism: strong: yellow - olive - reddish Largest Andalusite: 25 cm? Deposits: Brazil, Sri Lanka, Canada, Spain, Russia, USA 1st Description: 1892 Name: after its first discovered deposit in Andalusia / Spain |
Andalusite
Weight: 0.99 ct Origin: Tunduru / Tanzania Photo by kind permission of © www.multicolour.com |
Andalusite Ring
Andalusite: 6.08 ct; 1.27 x 1.08 x 0.63 cm; Brazil Diamonds: 84; total 0.76 ct Gold: 18K White gold Photo by kind permission of © www.africagems.com |
Andalusite Mineral
Size: 2.0 x 1.6 x 1.3 cm Origin: Itinga / Minas Gerais / Brazil Photo by kind permission of © www.lucianabarbosa.com |
Andalusite Mineral
Size: 1.4 x 0.3 x 0.2 cm Origin: Espirito Santo / Brazil Photo by kind permission of © www.lucianabarbosa.com |
Andalusite
Size: 0.89 x 0.84 x 0.48 cm Weight: 2.28 ct Origin: Brazil Photo by kind permission of © www.palagems.com |
Andalusite
Size: 1.9 x 1.1 x 0.7 cm Weight: 17.4 ct Photo by kind permission of © www.jalokivitukku.com |
Andalusite
Weight: 2.50 ct Origin: North Slope / Alaska / USA Photo by kind permission of © www.rocklogic.biz |
Andalusite Var. Chiastolite Mineral
Size: 2.2 x 2.2 x 0.3 cm Origin: Hunan Prov. / China Photo by kind permission of © www.lucianabarbosa.com |
Andalusite Var. Chiastolite Sphere
Size: 2 cm Origin: Hunan Prov. / China Photo by kind permission of © www.lucianabarbosa.com |
Andalusite Var. Chiastolite Mineral Pendant
Material: Silver Photo by kind permission of © www.wolfpiontek.de |