Kulanite

Brazilianite, Kulanite, Siderite, Apatite Locality: Big Fish River, Dawson Mining District, Yukon Territory, Canada (Locality at mindat.org) Size: miniature, 5.2 x 3.4 x 1.2 cm © Rob Lavinsky / iRocks

Chemical Formula: Ba(Fe2+,Mn2+,Mg)2(Al,Fe3+)2(PO4)3(OH)3
Locality: Rapid Creek (Cross Cut Creek), Big Fish River, Yukon Territories, Canada.
Name Origin: Named for Alan Kulan (1921-1977), prospector who found the first specimen.

Kulandite is a very rare barium phosphate mineral. It is one of the rare minerals that are making their way out of the Yukon Territory and into the mineral market.

History

Discovery date : 1976
Town of Origin : RAPID CREEK, BIG FISH RIVER/BLOW RIVER AREA, YUKON
Country of Origin : CANADA

Optical properties

Optical and misc. Properties : Transparent to Translucent
Refractive Index : from 1,70 to 1,72
Axial angle 2V: 32°

Physical Properties

Cleavage: {010} Good, {100} Good
Color: Blue, Blue green, Green, Black green.
Density: 3.91
Diaphaneity: Transparent to Translucent
Hardness: 4 – Fluorite
Luminescence: Non-fluorescent.
Luster: Vitreous – Adamantine
Streak: greenish white

Photos :

Kulanite, Quartz 4.8×2.2×2.0 cm Rapid Creek Canada Copyright © David K. Joyce Minerals
Kulanite, Siderite 3.6×3.6×2.0 cm Rapid Creek Yukon, Canada Copyright © David K. Joyce Minerals
Rapid Creek, Dawson Mining District, Yukon Territory, Canada © Tony Peterson
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