9.23 CTS VS LIGHT CLOURED HESSONITE GARNET [GAR4]

5568

SKU
寸法(mm): x x mm
重さ (CT)
色

HESSONITE GARNET

Weight	9.23 cts
Clarity	VS
Size	15.2 x 10.6 x 6.9 mm
Hardeness	7

Origin	Tanzania
Treatment	None

Hessonite or Cinnamon Stone is a variety of grossular, a calcium aluminium mineral of the garnet group with the general formulaCa₃Al₂Si₃O₁₂. The name is from the Greek hÄ“ssÅn, inferior, in allusion to its lower hardness and density than most other garnet species varieties.

It has a characteristic red color, inclining to orange, much like that of gem zircon. Indeed it was shown many years ago, by Sir A. H. Church , that many gems, especially engraved stones, commonly regarded as zircon, were really hessonite. The difference is readily detected by the specific gravity, that of hessonite being 3.64 to 3.69, whilst that of zircon is about 4.6. Hessonite has a similar hardness to that of quartz, about 7 on the mohs scale, whilst the hardness of most garnet species can reach 7.5.

SKU
寸法(mm): x x mm
重さ (CT)
色

HESSONITE GARNET

Weight	9.23 cts
Clarity	VS
Size	15.2 x 10.6 x 6.9 mm
Hardeness	7

Origin	Tanzania
Treatment	None

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Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.

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