It should not be difficult to find numerous small faceted huebnerites among larger gemstone collections. Certainly ample material exists to cut a number of such gems, although they are rarely offered for sale.
Optics: a = 2.17-2.20; β= 2.22; γ= 2.30-2.32. Biaxial (+).
Streak: yellowish, reddish brown, blackish to greenish gray.
Occurrence: High-temperature hydrothermal ore veins; quartz veins in or near granitic rocks; Many localities in western United States (Colorado: Idaho; Nevada; New Mexico; Arizona; South Dakota).
France; Czechoslovakia; Australia.
Pasto Bueno, Peru: transparent crystals.
Comments: It should not be difficult to find numerous small faceted huebnerites among larger gemstone collections. Certainly ample material exists to cut a number of such gems, although they are rarely offered for sale.
Name: After Adolph Hubner, a metallurgist from Freiburg, Saxony (Germany). Ferberite was named after Rudolph Ferber, of Gera, Germany.
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Optics: a = 2.17-2.20; β= 2.22; γ= 2.30-2.32. Biaxial (+).
Streak: yellowish, reddish brown, blackish to greenish gray.
Occurrence: High-temperature hydrothermal ore veins; quartz veins in or near granitic rocks; Many localities in western United States (Colorado: Idaho; Nevada; New Mexico; Arizona; South Dakota).
France; Czechoslovakia; Australia.
Pasto Bueno, Peru: transparent crystals.
Comments: It should not be difficult to find numerous small faceted huebnerites among larger gemstone collections. Certainly ample material exists to cut a number of such gems, although they are rarely offered for sale.
Name: After Adolph Hubner, a metallurgist from Freiburg, Saxony (Germany). Ferberite was named after Rudolph Ferber, of Gera, Germany.
It should not be difficult to find numerous small, faceted huebnerite gems (also hübnerite or hubnerite) among larger collections. Certainly ample material exists to cut a number of such gems, although they are rarely offered for sale.
