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SAPPHIRE MINERAL                NATURAL COLOR             Hardness 9



Chemical properties:  corundum is composed of pure alumina; its colouring is due to metallic

oxide traces or inclusions. The color of sapphire, due to iron and titanium oxide, gives its best 
effect under daylight.  Electric light makes it often dark.
Gems are generally found in alluvium, but come either from basaltic slags, or from metamorphic marble.

 23.60 cts. Nice yellowish-bluish Sapphire crystal single

19.8 x 15.6 x 8.2 mm. ( triangles on the heads ) macle

Slightly translucent and glossy. Enhancement: none (N)

stone PRICE   USD 178 .00 

ORIGIN: Madagascar

ref: SAAbr2360c

Hardness: 9 Andranondambo Sapphire Discovery
Specific Gravity: 3.9 - 4.1
Refractive Index: 1.76 - 1.78 Corundum data
Chemical Composition: Al2O3, Aluminum Oxide   Ask a question
Crystal Structure: Trigonal
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