Clinochlore is the most common mineral of the chlorite group, with a highly fluctuating chemical composition. It happens both metamorphic and hydrothermal origin, depending on the formation. Crystals are rare. As a rule, it forms solid masses, crusts and loose aggregates.
You can see clinochlore stone for sale and buy it in the Minerals of Russia online store.
General | |
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Category | Phyllosilicates |
Formula (repeating unit) |
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6 |
IMA symbol | Chl |
Crystal system | Monoclinic 2/m; with some triclinic polymorphs. |
Identification | |
Color | Various shades of green; rarely yellow, red, or white. |
Crystal habit | Foliated masses, scaley aggregates, disseminated flakes. |
Cleavage | Perfect 001 |
Fracture | Lamellar |
Mohs scale hardness | 2–2.5 |
Luster | Vitreous, pearly, dull |
Streak | Pale green to grey |
Specific gravity | 2.6–3.3 |
Refractive index | 1.57–1.67 |
Other characteristics | Folia flexible – not elastic |