Kornerupine Value, Price, and Jewelry Information
Star kornerupine also has been found (Mogok, Myanmar) but is very rare. Kornerupine is generally dark brown or green and not very attractive…
Idocrase Value, Price, and Jewelry Information
Idocrase is one of the lesser known and more beautiful collector gems. When properly cut it is as bright and attractive as the grossular garnets,…
Inderite Value, Price, and Jewelry Information
Inderite is very soft and difficult to cut, and only a few stones have been cut by hobbyists. There is plenty of cuttable material in existence, and…
Huebnerite Value, Price, and Jewelry Information
It should not be difficult to find numerous small faceted huebnerites among larger gemstone collections. Certainly ample material exists to…
Howlite Value, Price, and Jewelry Information
Howlite is always opaque in nodules; it is an abundant material and easy to acquire. Sometimes it contains black, threadlike impurities resembling…
Holtite Value, Price, and Jewelry Information
This mineral was first noted in 1937 but was not described in detail until 1971. It has not yet been seen as a gem, but the high hardness would allow…
Hodgkinsonite Value, Price, and Jewelry Information
Hodgkinsonite is one of the rarest of all collector gems. Cut stones are bright and richly colored, but the crystals were never abundant and still…
Gaylussite Value, Price, and Jewelry Information
This mineral is very hard to cut because of extreme softness and cleavage. Gaylussite dries out slowly in air and the surfaces may turn white. Stones…
Gadolinite Value, Price, and Jewelry Information
This is not a terribly attractive gemstone, but faceted gems would be a tremendous rarity. The material is quite brittle, but there is no cleavage…
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