|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
MINERAL GEM WORLD
This is a botryoidal agate treated by vapor deposition to give this stunning look.
Weight 51 ts app
Size35X29X8 mm app
A botryoidal texture or mineral habit is one in which the mineral has a globular external form resembling a bunch of grapes as derived from the Greek. This is a common form for many minerals particularly hematite where it is the classically recognized shape. It is also a common form of goethite, smithsonite, fluorite and malachite. This includes chrysocolla.
Chemical vapor deposition (CVD) is a chemical process used to produce high-purity, high-performance solid materials. The process is often used in the semiconductor industry to produce thin films. In a typical CVD process, the wafer (substrate) is exposed to one or more volatile precursors, which react and/or decompose on the substrate surface to produce the desired deposit. Frequently, volatile by-products are also produced, which are removed by gas flow through the reaction chamber.
|Starts||25th Oct 2016 11:02pm PDT|
|Ends||26th Oct 2016 11:00pm PDT|
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