Formula: Ca6Si6O17(OH)2
Mineral class: silicates Crystal system: monoclinic Mohs scale: 6 - 6.5 Density /g/cm3: 2.71 - 2.72 Refractive index: 1.583 - 1.595 Cleavage: perfect Colors: white, tan, blue-gray, pink Transparency: transparent - translucent Luster: pearly - greasy Fluorescence: SW UV: weak grey-white; LW UV: white Pleochroism: - Largest crystal: 2 cm Deposits: worldwide Discovery: 1866 1st Description: 1866 Name: for the type locality at Tetela de Xonotla / Puebla / Mexico |
Xonotlite Mineral
Image width: 0.28 cm Origin: Spagnago / Vicenza Prov. / Veneto / Italy Photo by kind permission of © Matteo Chinellato |
Xonotlite
Size: 0.72 x 0.49 cm Weight: 0.82 ct Origin: Italy Photo by kind permission of © www.thegemtrader.com |
Xonotlite Mineral
Size: 3.3 x 3.1 x 1.5 cm Origin: Wessels Mine / Hotazel / Northern Cape Prov. / South Africa Photo by kind permission of © www.irocks.com |
Xonotlite Mineral
Size: 7.8 x 4.2 x 2.7 cm Origin: Wessels Mine / Hotazel / Northern Cape Prov. / South Africa Photo by kind permission of © www.irocks.com |