|
| |
| SET
10 TOURMALINES SLICE NATURAL
COLOR Hardness
7.5 |
 |
 |
30 grs. Slice polychromatic tourmaline
90.8 x 66.5
mm. Thickness: 2.2
mm.
(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT30gr  |
 |
34 grs. Slice polychromatic tourmaline
96 x 72.5 mm. Thickness:
2.4 mm.
(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT34gr |
 |
40 grs. Slice polychromatic tourmaline
95.8 x 75.5
mm. Thickness: 2.5
mm.
(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT40gr |
 |
50 grs. Slice polychromatic tourmaline
97.2 x 77.8 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT50gr |
 |
56 grs. Slice polychromatic tourmaline
97.5 x 76.2 mm. Thickness:
3.2 mm.
(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT56gra |
 |
56
grs. Slice polychromatic tourmaline
98.8 x 78.3 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT56gr Enlarge |
 |
58 grs. Slice polychromatic tourmaline
99.4 x 78.1 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT58gra Enlarge |
 |
58 grs. Slice polychromatic tourmaline
99.2 x 77 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT58gr |
 |
46 grs. Slice polychromatic tourmaline
99.2 x 77 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT46gr |
 |
48 grs. Slice polychromatic tourmaline
99.2 x 83.2 mm.(Stone
found in alluvium.)
Moderately included.
Enhancement: none
(N) |
stone PRICE
SOLD
ORIGIN: Madagascar ref:
TslT48gr |
| Hardness: |
7
- 7.5 |
Growth
zoning in a tourmaline crystal. |
stet PRICE (
10 pcs )
SOLD
ORIGIN: Madagascar ref:
setTslT476gr |
| 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 |
|
