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TOURMALINE SLICE NATURAL
COLOR Hardness
7.5 |
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TOURMALINE SLICE
 Go
to the set
88.68
cts. Slice polychromatic tourmaline
48.7 x 41.3 mm. 
Moderately included.
Enhancement: none (N)
Set
PRICE (4pcs.)
USD 3550.00 
ORIGIN: Madagascar
ref:4pcs.
Tsl set35019 |
| 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 |
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| Exceptional
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| To purchase a stone from this site click to ORDER
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Very
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| Fine
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| Good
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