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 Home / Gem Library / Natural Gemstones / Hibonite May 27, 2020  

Natural Hibonite
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There are 3 Hibonite(s) available at

Hibonite is a very rare brownish black mineral with a hardness of 7.5-8.0. It is a hexagonal mineral that is known to occur in meteorites but is more often associated with metamorphic calcareous rocks and sometimes with corundum, spinel and/or sapphirine.

Known Facts
Color Key: Brown
Refractive Index: 1.791.81
Chemical Composition: (Ca,Ce)(Al)12O19
Hardness: 7.5 - 8
Density: 3.84
Crystal Group: Hexagonal
Ocurrence: Madagascar, Myanmar, Tanzania, Kenya

Hibonite can be identified by its gemological properties (RI = 1.791.81, SG = 3.84, and no UV fluorescence).

Hibonite is named after Paul Hibon, the French prospector who discovered it. The locality source in Myanmar has not been disclosed and stones have only been available for the last 10 years.

Hibonite Hibonite
Check our Top, Largest, Smallest or Latest Hibonite's.

Hibonite Stats/
Popularity Index: 4512hits
Total Items: 3items
Total Weight: CTS 0.90
Cheapest: USD 271.04
Most Expensive: USD 533.00
Largest: CTS 0.41
Smallest: CTS 0.22
Last Added: 07/12/18 10:37:29

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