Natural Indian Minerals
Serpentinite Stones

Name and composition - It is metamorphosed ultra basic rock serpentinite mainly consists of serpentine 2MgO.2SiO2.2H2O (Hydrous magnesium silicate) which is an altered product of olivine and pyroxene.

Physical Properties - It is a greenish/greenish grey coloured, fine grained, hard massive to fractured ultra basic rock having web like designs of fine calcite, veins/veinlets.

Mode of Occurrence - Occurs along a major faults zone running from south of dungarpur district to Ajmer. The deposit is located in simalwara, dungurpur, kherwara etc.

Uses - Used as dimensional and decorative stone in flooring, wall cladding, pillars, handicrafts, artisan work, monuments, tombs, temples etc.

Mineral based Industries – Diamond gangue saws, cutting and polishing units, handicrafts and artisan units, in carving and sculpturing.

Industrial Prospects –Gangue saw units, cutting & polishing units, carving etc.

Physical Properties
Sp. gr.
Crystal System
3 to 5.5
2.5 to 2.6
Greasy or waxy
Poor to perfect
Most serpentine minerals are monoclinic.
Chemical Properties
Chemical Classification
Water absorption
Chemical Composition
0.07 % by weight
Translucent to opaque
Usually various shades of green, but can be yellow, black, white, and other colors.
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