|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
TIGER EYE STONE
This is a natural stone from Australia ready for setting showing great patterns as it has has hematite inclusions in it..
Size 42x34x5 mm app
Weight 85.4 cts app
TigerEye has long been considered a quartz replacement of asbestos, otherwise known as a pseudomorph. The asbestos is gone, so it's harmless to cut. However, new research into the origins of tiger eye shows tiger eye is actually not a pseudomorph. The fibrous structure of tiger eye creates chatoyance and also gives it a definite grain structure.
Hematite is a mineral, colored black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron. Varieties include kidney ore, martite (pseudomorphs after magnetite), iron rose and specularite (specular hematite). While the forms of hematite vary, they all have a rust-red streak. Hematite is harder than pure iron, but much more brittle. Maghemite is a hematite- and magnetite-related oxide mineral.
The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.
|Starts||29th Apr 2014 9:21pm PDT|
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