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April 15, 2026

Natural Hibonite
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There are 1 Hibonite(s) available at Multicolour.com

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:	1.79–1.81
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 = 1.79–1.81, 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.

Illustrations

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Hibonite Stats/
Popularity Index:	5607^hits
Total Items:	1^items
Total Weight:	CTS 0.18
Cheapest:	USD 354.81
Most Expensive:	USD 354.81
Largest:	CTS 0.18
Smallest:	CTS 0.18
Last Added:	03/30/26 10:06:45

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