Opal Natural Specimens
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Material: Opal
Boulder Opal from Australia – 191.95 ct
Located in New York, NY
This elegant Boulder Opal from Australia exudes sophistication with its delicate webbing of vibrant opal hues interlaced across a rich brown irons...
Category
2010s Australian Opal Natural Specimens
Materials
Opal
Opal
Located in New York, NY
Opal
Tsehay Mewcha, Wegeltena, Delanta Woreda, South Wollo Zone, Amhara Region, Ethiopia
Measures: 14.4 cm tall x 11 cm wide
Precious opals are a hydrated amorphous form of silica (amorphous meaning a non-crystallized solid), unlike crystalline forms of silica, which are classed as minerals. Australia is the locality most associated with precious opal. The precious opals of Ethiopia were only discovered recently in 2008.
Opals are formed over thousands of years when rain frees spherical silica particles from sandstone. These microscopic particles spread deep into underground cavities and are then compressed into a closely-packed interlaced structure. When miners bring them forth from the earth to the surface, sunlight travels through this microstructure creating the dazzling kaleidoscope of flashing rainbow colors that we see here.
This opal may be unique. The colors are like no other we have seen from Ethiopia. There are several names given to opal (Black Opal, Boulder Opal, Fire opal, etc.). This piece begins an entirely new genre - Candy Opal.
Category
15th Century and Earlier Ethiopian Antique Opal Natural Specimens
Materials
Opal
Boulder Opal from Australia – 116 ct
Located in New York, NY
This exquisite Boulder Opal from Australia showcases a vibrant play of colors, featuring electric blues, fiery oranges, and deep greens that shimm...
Category
2010s Australian Opal Natural Specimens
Materials
Opal
Polished Pink Opal Obelisk (4.2 lbs)
Located in New York, NY
AAA-quality, unique Pink Opal obelisk from Peru. Pink colored, semi-precious gemstone of the Silicate mineral family. It has vibrant hues of light pink with veins of reddish pink, wh...
Category
21st Century and Contemporary Peruvian Opal Natural Specimens
Materials
Crystal, Opal, Other
Opal
Located in New York, NY
Opal
Tsehay Mewcha, Wegeltena, Delanta Woreda, South Wollo Zone, Amhara Region, Ethiopia
Measures: 11.2 cm tall x 7.2 cm wide
This opal captures all of the spectacular iridesc...
Category
15th Century and Earlier Antique Opal Natural Specimens
Materials
Opal
Boulder Opal from Australia – 397.45 ct
Located in New York, NY
This magnificent Boulder Opal from Australia is a true masterpiece of nature, showcasing a breathtaking play of colors with deep blues, vibrant gr...
Category
2010s Australian Opal Natural Specimens
Materials
Opal
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