Ethiopian Tear Drop Black Opal 6cts for Sale

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Ethiopian Tear Drop Black Opal 6cts For Sale

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Ethiopian Tear Drop Black Opal 6cts:
$340.00

Ethiopian Tear Drop Black Opal
Weight: 6cts
Size: 15.2x11.4x7.2mm
Treatment: None
Top Quality Opal!
Indoor and Outdoor Photos Opal (Opal) "The gem of love and hope.Opal Opal is a crystal of silica and water. Its water content can range from 3% to 21% by weight, but is usually between 6% and 10% due to its amorphous nature. Therefore it is counted as an amorphous mineral, that is, it is not counted as a mineral. This is different from other crystalline forms of silica which are classified as minerals. Usually occurs in sources where the temperature is relatively low. and may occur in cracks in many types of rocks. The most common rocks are limonite, sandstone, rhyolite, marl, and basalt.
Opal is the national gemstone of Australia. 95-97% of the world's valuable opal (2012 data) comes from Australia. And from South Australia they account for 80% of the world's opal products.
The fascinating feature of opal is that there is a phenomenon of light in the flesh of ordinary opal called "Opalescence" is caused by light entering the opal. and collides with small particles within the opal, such as water or various colloids. The light that comes out is scattered through small holes, creating a milky gleaming color. While opal is valuable, there is a phenomenon known as "Play of Color" which is the play of colors in different directions from the source through small, orderly structures. causing the play of various rainbow colors Depending on the type and characteristics of that opal, it may come in many colors. Precious opal has a base color ranging from white, gray, red, orange, yellow, green, blue, purple, rose red, pink, olive. brown and black The red and black colors of opal are the rarest. While white and green are the most common colors. Varies depending on the origin from which that type of opal occurs. The opaque base color of the opal is more expensive than the translucent color. Because you can see the play of light more clearly.