Goldenite

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This unique gem begins as natural milky quartz, but is then treated to impregnate the stone's surface with a high karatage of gold. This results in a distinctively patterned, one-of-a-kind gem.

Goldenite Classification
Common Name Goldenite
Species Hornblende
Goldenite Optical Properties
Transparency Translucent - Opaque
Refractive Index 1.544-1.553
Tolerance:very constant
Birefringence 0.009
Optic Character Uniaxial
Optic Sign Positive
Polariscope Reaction Aggregate (AGG), Doubly Refractive (DR)
Pleochroism None
Goldenite Characteristic Physical Properties
Hardness 7
Specific Gravity 2.640-2.690 Typical:2.660
Toughness Good
Inclusions CO2 or H2O inclusions that give the stone a milky appearance. Gold foil has been applied to the surface of the stone.
Luster Vitreous, Metallic
Stability Good
Fracture Conchoidal
Cleavage None
Goldenite Chemistry & Crystallography
Chemical Name silicon dioxide (aka silica)
Chemical Formula SiO2
Crystal System Trigonal
Chemistry Classification Silicate

Goldenite Colors

  • Blue Goldenite Blue

Alternate Names

Quartzite

Countries of Origin

United States of America (the); Brazil

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Showcasing 200 gemstones in over 1,000 pages and accompanied by more than 2,000 photos, The Sisk Gemology Reference is a must-have in every collector’s library. Each comprehensive, three-volume set features state-of-the-art photography, detailed illustrations, and scientifically precise descriptions to create an entrancing experience for gemstone amateurs and afficionados alike.

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Tim Matthews

Author

Tim Matthews

Tim Matthews is President and Chief Executive Officer of Jewelry Television® (JTV), as well as a member of the company's Board of Directors. He oversees and leads all aspects of the company's powerful omni-digital retail platform that uniquely specializes in fine jewelry and gemstones. His passion for business and gemstones has led him to become a recognized expert in the field of gemology. He is a life member of the Gemmological Association of Great Britain (Gem-A) and has earned Gem-A's highest degrees, the Gemmology (FGA) and Diamond (DGA) diplomas. He is also a Graduate Gemologist (GG) of the Gemological Institute of America (GIA) and has also completed GIA's Graduate Diplomas in Diamonds, Colored Stones and Pearls. Under his leadership, JTV has become the leader in the sourcing and selling of color gemstones and jewelry.

This page was created on June 27, 2014.

This page was last edited on October 24, 2019.