Sphene has a similar chemical structure to tilasite malayaite and fersmantite. Skip to main content. Fine titanite sphene gemstones for sale. Electric yellow green color sphene 1 51 cts 2359. Some of the largest and most spectacular green gems have been cut from indian material.
While always in demand sphene has been a rare gem on the market. Sphene gemstone is considered as a collector stone a gemstone whose brilliance and dispersion outshines diamond itself. On rare instances sphene may be brown or black in color but is mainly found in a range of green to yellowish green colors. New deposits have increased market quantities. 1 57 carat pair hold lemon yellow medium dark 65.
Other gemstones that can be confused for sphene are chrysoberyl dravite golden beryl scheelite topaz zircon and idocrase. As is the case with all gemstones size creates a premium with this species. A brilliantly transparent gem sphene has fire greater than that of diamond. This gem is named from the greek word for wedge as its crystals are typically wedge shaped but may be referred to by its mineral name titanite. The chrome sphene from baja california is the color of fine emerald and very rare especially if clean and larger than 1 carat.
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Sphene also occurs with zircon which has a similar high refractive index. Brazilian yellow gem material has a sleepy look and isn t as bright as that from baja. Sphene is a collector s gem and is particularly rare when you start talking about a clean stone above 5 carats the international gem society says. Gem quality examples are rare. A 20 96 carat sphene from mayer watt.Chrome sphene is the most valuable type. Chrome sphene is the most valuable type. Sphene also occurs with zircon which has a similar high refractive index. Other gemstones that can be confused for sphene are chrysoberyl dravite golden beryl scheelite topaz zircon and idocrase. While always in demand sphene has been a rare gem on the market.
A 20 96 carat sphene from mayer watt. Sphene has a similar chemical structure to tilasite malayaite and fersmantite.
