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Chromite - chromium ore

#BW58130
SOLD
Chromite from Webster Chromite prospects, Jackson Co., North Carolina, United States - BW58130
Chromite from Webster Chromite prospects, Jackson Co., North Carolina, United States - BW58130

Chromite - chromium ore

#BW58130
Availability
Sold
Size
7 x 5 x 4 cm - Sm Cabinet 
Formula
Fe2+Cr2O4 (RRUFF)
Locality
Webster Chromite prospects, Jackson Co., North Carolina, United States
Tagged
ore specimen

 A solid black granular & crystalline mass of Chromite ore with some alterations to Erythrite.

The USGS reports the following on chromium: Chromium is refined into ferrochromium used to produce stainless steel. South Africa is the leading chromite ore producer and China is the leading chromium -consuming country. South Africa and Kazakhstan hold about 95% of the world's chromium resources. The Stillwater complex in Montana is the U.S. resource base, although not currently producing chromium.

Widely used in chemicals, metals and refractory materials. Used to harden iron, nonferrous alloys and steel. The addition of 10% chromium also creates corrosion and oxidation resistant alloys such as stainless steel.

Chromite

Formula
Fe2+Cr2O4 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Granular, Nuggets 
Cleavage
None, None, None 
Luster
Metallic 
Color
black, brownish black 
Streak
brown 
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
5.5 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
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