Edgy streaks and tendrils of black marble among a field of gray and tan. Polished to a vitreous (shiny) luster on the dome and sides. Flat, lightly-polished back with a beveled edge for ease of setting. Not recommended for use in rings or bracelets, since this material is very soft and may scratch or fracture. You will receive the exact gemstones shown in the photos.
Weight: 61.90 carats total weight
Measures:
28.34 L x 23.12 W x 5.94 H mm
28.15 L x 23.32 W x 5.77 H mm
Species: Limestone
--Variety: Marble
Trade Name(s): Picasso Marble, Picasso Jasper*
Origin: Utah, USA
Enhancement(s): (N) Natural
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* Using the term "jasper" to describe limestone marble is misleading. Jasper is an opaque form of cryptocrystalline quartz known as chalcedony with a completely different chemical makeup.
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American Gem Trade Association Gemstone Enhancement Codes
Enhancement: Any treatment process other than cutting and polishing that improves the appearance (color/clarity/phenomena), durability, or availability of a gemstone.
(N) Natural
No modification; natural stones which are not currently known to be enhanced (or currently has no known modification process).
Weight: 61.90 carats total weight
Measures:
28.34 L x 23.12 W x 5.94 H mm
28.15 L x 23.32 W x 5.77 H mm
Species: Limestone
--Variety: Marble
Trade Name(s): Picasso Marble, Picasso Jasper*
Origin: Utah, USA
Enhancement(s): (N) Natural
----------------------------------------------
* Using the term "jasper" to describe limestone marble is misleading. Jasper is an opaque form of cryptocrystalline quartz known as chalcedony with a completely different chemical makeup.
----------------------------------------------
American Gem Trade Association Gemstone Enhancement Codes
Enhancement: Any treatment process other than cutting and polishing that improves the appearance (color/clarity/phenomena), durability, or availability of a gemstone.
(N) Natural
No modification; natural stones which are not currently known to be enhanced (or currently has no known modification process).