Smaltite Value, Price, and Jewelry Information
Smaltite is a collectors oddity, cut only as cabochons. It is seldom seen in collections since it is not especially distinctive, with a color resembling other metallic sulfides and arsenides.
The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services.
|Is a Variety of||Skutterudite|
|Crystallography||Isometric. Crystals cubic to octahedral; massive. fine-grained.|
|Colors||Silver gray to tin white; may tarnish gray to iridescent.|
|Fracture||Uneven to conchoidal|
|Specific Gravity||~ 6.1.|
|Cleavage||Distinct 2 directions|
|Stone Sizes||Cabochons could be cut to any size from massive material.|
|Formula||(Co,Ni)As3. Considered to be an arsenic-deficient Skutterudite.|
Occurrence: Occurs in medium- to high-temperature veins, with Ni and Co minerals.
Cobalt district. Ontario and British Columbia, Canada.
Chile; Switzerland: Germany.
Comments: Smaltite is a collectors oddity, cut only as cabochons. It is seldom seen in collections since it is not especially distinctive, with a color resembling other metallic sulfides and arsenides.
Name: From its use as a source of cobalt for the pigment smalt, which is blue.