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LOOSE
FACETED HESSONITE NATURAL COLOR Hardness
7.25 - 7.5 |
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Hessonite chemical
composition is Ca3Fe3Al2(SiO4)3 it is a Grossular Garnet. |
Crystaline
system: cubic. |
This
garnet known for a very long time, and which enjoyed a great popularity
at the 19th century, under the reign of the Victoria queen is a
irony-grossularite, it is thus rich in iron and present a structure in
mosaic. Its granulous
appearance is due to endogenetic and structural characteristics. |
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|
|
9.68
cts. Emerald
cut hessonite
garnet single |
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|
x |
Pieces: |
|
1
Hessonite |
x |
x |
Type: |
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100% Natural |
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Color: |
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Orange-cinnamon |
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Shape: |
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Emerald
cut faceted |
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Weight: |
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9.68
Carats |
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Size: |
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14.8
x 8.7 mm.
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Clarity: |
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NFL |
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Luster: |
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Excellent |
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Treatment: |
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None (N) |
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Origin: |
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Madagascar |
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Tone
scale : Medium-Dark |
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Refr. Index: |
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1.74 |
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Hardness |
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7.5 |
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Depth: 7.4 mm. |
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Not
treated
in any way. |
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HESSONITE |
|
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-
Scale determining the purity of a stone.
- |
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|
FL |
NFL |
SI1 |
SI2 |
MI1 |
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Flaw
less |
Near
flaw less |
Slightly
included 1 |
Slightly
included 2 |
Medium
included 1 |
------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
MI2 |
MI3 |
VI1 |
VI2 |
HI |
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Medium
included 2 |
Medium
included 3 |
Very
included 1 |
Very
included 2 |
Highly
included |
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