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Showing 11 results for "chameleon diamonds"
Bib Necklace
Article
Positive Design With Negative Space

Sometimes what you don’t see is as important as what you do. “Negative space” is the explanation for this curious statement.

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A round, bright red gem displayed on a dark gray background.
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The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.

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The view of Hogback Road, heading toward the Dust Devil Mine, illustrates the vast beauty of the landscape. - Duncan Pay
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A Sunstone Odyssey, Part 2: The Dust Devil

The "Sunstone Odyssey" series continues with a visit to the Dust Devil mine, a source of rough for many award-winning faceted gems and carvings.

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With proper care, sunstone can provide a lifetime of jewellery-wearing pleasure. – Mike Havstad
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Sunstone Care and Cleaning

Learn about sunstone's durability and how to care for your sunstone jewellery.

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Hargrave Ametrine
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And Then Came the Fantasy Cut

Once upon a time, gem cutting was a strict craft bound by centuries of tradition. Then Bernd Munsteiner (b. 1943) invented the fantasy cut.

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Discoveries of glittery sunstone rough led miners to establish claims in the US state of Oregon. – Robert Weldon
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Sunstone History and Lore

In the early 1800s sunstone was a little-known, rare and costly gemstone. It wasn’t until finds in Norway, Siberia, and other parts of the world that sunstone became somewhat more widely recognised, more available and less expensive.

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Dr E. J. Gübelin Collection Danburite
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GIA's Gübelin Gem Project: Various Gems, Danburite – Humite

Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.

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A graceful carving displays this Oregon sunstone’s bright, reflective copper inclusions, its intense colour and its pleochroism. – Robert Weldon, courtesy Oregon Sunstone
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Sunstone Description

Not all feldspars that bear the name “sunstone” are from the same side of the feldspar family - both the orthoclase and the plagioclase species boast a sunstone feldspar variety. The name sunstone refers to the gem’s appearance rather than to its chemical makeup.

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This 11 ct. bicolour sunstone is highly desirable for its colour alone. An attractive display of aventurescence and a unique cut make it even more valuable. – Robert Weldon
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Sunstone Quality Factors

Learn about the factors that make sunstone so desirable.

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John Woodmark, CEO of the Ponderosa mine, is a man in his element. - Robert Weldon
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A Sunstone Odyssey, Part 1: The Ponderosa

The first of a three-part series exploring Oregon’s state gem reports on a July 2013 visit to the Ponderosa mine, a prolific sunstone source surrounded by majestic ponderosas.

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