Natural Fibrolites Overview
 Fibrolite also known as sillimanite, is a silicate mineral which crystallizes in the orthorhombic system. The crystals often occur as long slender prisms without distinct terminations.
They have one direction of cleavage parallel to one pair of the prism faces and are frequently fibrous, hence the name fibrolite. Fibrolites are frequently fashioned en cabochon and are well known for their remarkable chatoyancy or cats eye effect.
The chatoyant effect is a result of the reflection of light from the fibrous material.
Physical Properties
| Color |
Gray-green, brown-green, pale green, dark green, colorless, blue |
| Refractive Index |
1.658-1.678 |
| Pleochroism |
Strong |
| Chemistry |
Aluminium silicate |
| Hardness |
6.0-7.5 |
| Density |
3.14-3.25 |
| Crystal Group |
Orthorhombic |
| Ocurrence |
Myanmar (Burma), Sri Lanka (Ceylon), U.S. (Idaho), Czechoslovakia, India, Italy, Germany, Brazil |
Legend and Lore
It is a "stone for preservation of the spiritual side when confronted by the allure of the
material sode; preservation of one’s body, one’s appearance, one’s mental capacity; and preservation of physical structure and objects. It discourages the act of decay in all matters.
Browse Fibrolites
The pictures above only represents the general appearance of the Fibrolite. Please note that the real Fibrolites in our stock will be of varied shapes, color and sizes.
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