Gemstones Tools

Amber

Insect trapped in amber
(am'-bar)

13th c.; old fren. ambre; med. lat., ambar, ambra; from arabic anbar

Organic fossil resin with electrical properties used as a gemstone.
Color
Pale yellow to dark brown to red, some green also
Family
Organic material
Chemical composition
varying greatly , mainly C40H64O4
Crystal system
Amorphous
Hardness (Mohs scale)
2 - 2,5
Specific gravity
1,07 ±0,03
Refractive index
1,54 ±0,04
Birefringence
None
Optical character
Amorphous
Chanthaburi

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Jaipur

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