However it also has perfect and good cleavage in two directions which makes it challenging to cut. Well the grandidierite gemstone being one of the rarest one has the best qualities that make them more desirable. After its discovery at madagascar it was named grandidierite after the person alfred grandidierite who was a french miner and happened to discover this wonder stone for all of us. Price usd colors. The vast majority of grandidierite gemstones sold are described as translucent or transparent but with many inclusions or flaws.
3 ct incredible color natural grandidierite gemstone. Grandidierite has a hardness of 7 5 which makes it very resistant to scratching and ideal for jewelry use. Grandidierite 1 33 carats. It is commonly found as an accessory mineral on. Many rare gem collectors would love to add grandidierite to their collections but it has been almost impossible to find.
Of course its scarcity has also made this a relatively little known gemstone. Three of gobin s grandidierite gemstones will be on display at the wilensky gallery in new york city through at least june representing the gallery s foray into faceted gemstones. Grandidierite is often referred to in the top 10 rarest gemstones in the world and occurs in aluminous boron rich rocks and in pegmatites. Now let us dive through the various details of this amazing stone. There is no doubt that grandidierite is a very expensive gemstone with eye clean transparent examples easily reaching 20 000 per carat with anything bigger than two or three carats demanding even more.
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Grandidierite mg fe2 al3 bo3 sio4 o2 is a very rare gem that can fetch up to 20 000 per carat and was first discovered in madagascar in 1902. Gem quality grandidierite is extremely rare and it often appears on the list of the 10 rarest varieties in the world along with gems like jeremejevite painite benitoite and taafeite. Grandidierite mg fe2 al3 bo3 sio4 o2 is a very rare gem that can fetch up to 20 000 per carat and was first discovered in madagascar in 1902. 13 4 x 8 9 x 8mm origin. Of course its scarcity has also made this a relatively little known gemstone.
Gem quality grandidierite is extremely rare and it often appears on the list of the 10 rarest varieties in the world along with gems like jeremejevite painite benitoite and taafeite. 3 ct incredible color natural grandidierite gemstone. However it also has perfect and good cleavage in two directions which makes it challenging to cut.
