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  SET TOURMALINE SLICE          NATURAL COLOR            Hardness 7.5

RETURN TO »» Set tourmaline slice

 

121 grms. Set Slice polychromatic tourmaline (5pcs.)

62  x 53 mm.  These stones were found in alluvium.

Moderately included.  Enhancement: none (N)

          set PRICE (5 pcs)  USD 4798.00

ref: Set Tsl 121g 

ORIGIN: Alakamisy Itenina, Madagascar

 

Hardness: 7 - 7.5

Growth zoning in a tourmaline crystal.
Specific Gravity: 3.0+
Refractive Index: 1.62 - 1.68
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide
Crystal Structure: Trigonal

To purchase a stone from this site click to ORDER       These stones where found in alluvium.

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