Gemstones, Diamonds, Pearls -
My Shopping Cart My Account Gem Library
|Welcome to|Single Stones|Calibrated Stones|Pairs|Mix Lots|Closeouts|Carved Gems|lapidary and gemological tools and supplies|Gem Smart Search|
 Home / Gem Library / Natural Gemstones / Hibonite October 15, 2019  

Natural Hibonite
E-mail this article to a friend

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: 16764hits
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

Knowledge Search/
Enter Keywords:
Enter one or more keywords (i.e madagascar sapphires ).

About Gemstones /

Gem Library/
Gems Legend and  Lore Gems Legend and Lore
Some of the latest of ways that gems have been associated with Birthstones and Signs of the Zodiac.
Understanding Gemstones Understanding Gemstones
Learn about Physical and Optical properties, color, clarity and cut of gemstones.
Gems Glossary Gems Glossary
Ever wonder what are "Blemish", "Luster", "Saturation" "Uniformity" or "Mine Run" means?
Reference and  Links Reference and Links
Recommended books and links to Gem, Jewelry&Mineral Magazines, Gem Institutes and Labs.

Book’s Corner/
Buy at DK Handbooks: Gemstones by Cally Hall and Harry Taylor
Price: USD 15.16
"Very good reference book to gems, stones and bones used in jewelry and ornamentations. Easy to use and read..."
see more recommendations

 Top of Page Need help?  

Gemstones for sale: Alexandrite, Garnet, Diamond, Opal, Spinel, Sapphire, Tourmaline, Tanzanite, Tsavorite,
Gemstones by Category: Calibrated, Carving, Closeout, Mixed Lot, Pair, Rough, Single, Best Sellers or Featured Gemstones.
Gemstone education: Colored Gemstones Guide, Gems Library, Gemstone Treatments, Gemstone Glossary, Gems and Astrology,

A BBB Accredited Business All Transactions secure by Thawte certificate - click here to validate Ebay Power Seller Gem Certification Various Shipping Options Major Credit Cards Accepted

All trademarks and logos shown herein are the property of their respective owners. © Copyright, 1998-2011. All rights reserved. Use of this site constitutes acceptance of Return Policy, Privacy Policy and Trading Guarantee. Published and operated by David Wein Ltd. 32 Hollywood Road, Central, Hong Kong Island Hong Kong. Lost? Check site map or resources page.

Site design and maintenance by NetComposite ®.