|Dimensions (mm)||not provided|
|Weight (carats)||7 carats|
ORBICULAR JASPER FROM MADAGASCAR
Beautiful patterned stone ready for setting.
Weight 17.8 cts
Size 22x 16x6.7 mm
Orbicular jasper is a variety of jasper which contains variably-colored orbs or spherical inclusions or zones. In highly silicified rhyolite or tuff, quartz and feldspar crystallize in radial aggregates of needle-like crystals which provide the basis or seed for the orbicular structure seen in this kind of jasper. The material is quite attractive when polished and is used as an ornamental stone or gemstone.
|Starts||11th Nov 2008 9:05pm PST|
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