Formula: Ca₂(Mg,Fe²⁺)₅Si₈O₂₂(OH)₂
Mineral class: silicates
Crystal system: monoclinic
Mohs scale: 5 - 6
Density (g/cm³): 2.99 - 3.03
Cleavage: perfect - good
Colors: colorless, white, grey, light yellow, lavender, pink, light green, brown
Luster: vitreous
Fluorescence: -
Pleochroism: -
Largest crystal: 20 cm?
Deposits: worldwide
Discovery: 1789
1st Description: 1892

Tremolite Mineral

Size: 7.3 x 4.3 x 3.3 cm

Origin: Kuran Wa Munjan / Badakhshan / Afghanistan

Photo by kind permission of © www.fabreminerals.com, Jordi Fabre.

Tremolite Mineral

Size: 3.89 x 1.56 x 0.76 cm

Origin: Onh Bin Yee Htwet / Le-Do / Mogok / Myanmar

Photo by kind permission of © www.crystal-treasure.com, Sieghard Ellenberger.

Tremolite Mineral

Length: appr. 2 cm

Origin: Onh Bin Yee Htwet / Le-Do / Mogok / Myanmar

Photo by kind permission of © www.crystal-treasure.com, Sieghard Ellenberger.

Chrome-Tremolite Mineral

Origin: International Talc Company Mine / Balmat / St. Lawrence County / New York / USA

Photo by kind permission of © www.cs.cmu.edu/, Alan Guisewite.

Chrome-Tremolite Mineral

Origin: International Talc Company Mine / Balmat / St. Lawrence County / New York / USA

Photo by kind permission of © www.cs.cmu.edu/, Alan Guisewite.

Manganoan-Tremolite ("Hexagonite") Mineral

Size: 2.7 x 1.3 x 0.6 cm

Origin: Fowler / St Lawrence County / New York / USA

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

Manganoan-Tremolite ("Hexagonite") Mineral

Origin: Fowler / St Lawrence County / New York / USA

Photo by kind permission of © www.gps.caltech.edu/, Prof. Dr. George R. Rossman.

Manganoan-Tremolite ("Hexagonite")

Weight: 0.84 ct

Origin: Fowler / St Lawrence County / New York / USA

Photo by kind permission of © http://rock-logic.tripod.com, Alexandra Woodmansee.