Good specimens of grossular usually come from metamorphosed limestones where calcium is abundant and iron absent. The other "ugrandite" garnets,andradite and uvarovite have iron and chromium in place of the aluminum . The garnets usually form good crystals with this form—round with 12 sides or 24 sides . Grossular is usually green, but it may also be colorless through yellow, red and brown. The yellow-brown variety, which contains some iron, is known in the trade as essonite, hessonite, cinnamon stone, hyacinth or jacinth.
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LARGE 164 CTS GREEN GROSSULAR SPECIMEN [MGW2006 ]
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Certified Gemstones
- Non
- Taper
- Specimen
- Couleurs
-
QUALITY ROUGH
GROSSULAR GARNET SPECIMEN
This is a natural untreated grossular specimen i bought on my last trip to Tanzania where i went to the mine in Merelani where most of this production comes from.
Collectors specimen.
Size 40X32X20 mm app
Weight 164 cts app
There is some mica on this specimen.
There is also production in Mali but usually not as clean as this material.
We have some clean rough for cutting in our sister store QUALITY ROUGH
- UGS
- Dimensions (mm)
- x x mm
- Poids (cts)
- Certified Gemstones
- Non
- Taper
- Specimen
- Couleurs
-
QUALITY ROUGH
GROSSULAR GARNET SPECIMEN
This is a natural untreated grossular specimen i bought on my last trip to Tanzania where i went to the mine in Merelani where most of this production comes from.
Collectors specimen.
Size 40X32X20 mm app
Weight 164 cts app
There is some mica on this specimen.
There is also production in Mali but usually not as clean as this material.
We have some clean rough for cutting in our sister store QUALITY ROUGH
Good specimens of grossular usually come from metamorphosed limestones where calcium is abundant and iron absent. The other "ugrandite" garnets,andradite and uvarovite have iron and chromium in place of the aluminum . The garnets usually form good crystals with this form—round with 12 sides or 24 sides . Grossular is usually green, but it may also be colorless through yellow, red and brown. The yellow-brown variety, which contains some iron, is known in the trade as essonite, hessonite, cinnamon stone, hyacinth or jacinth.
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Positif
Great and clear sapphire, beautiful cut ! Great packaging
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Négatif
Not as pictured and underweight by 1.52ct.
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Positif
As pictured but unweight by .14 ct, will accept.
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Positif
AAAA+++ Very Happy! Just like the pic.