what is your favorite gem stone or rock?
i love lepidolite, celestite, morganite and rose quartz. i also adore amythyst and jade.....good stuff...so many to add to my list..anybody else out there like rocks?
Peridot is the gem quality variety of forsterite olivine. It is bright yellow-green in color, and has a hardness of 6.5 on Mohs scale. The chemical composition of peridot is (Mg, Fe)2SiO4. Peridot is one of the few gemstones that come in only one color. The depth of green depends on how much iron is contained in the crystal structure, and varies from yellow-green to olive to brownish green. Peridot is also often referred to as "poor man's emerald". Olivine is a very abundant mineral, but gem quality peridot is rather rare. Peridot crystals have been collected from iron-nickel meteorites.
Peridot is found in Arizona, Hawaii, Nevada, and New Mexico, in the US, and in Australia, Brazil, China, Kenya, Mexico, Myanmar (Burma), Norway, Pakistan, South Africa, Sri Lanka, and Tanzania. Peridot of high quality is commercially mined in the eastern lava fields of Saudi Arabia. The largest cut peridot is a 310 carat (62 g) specimen in the Smithsonian Museum in Washington, D.C.. A special variety of peridot from Pakistan is known as "Cashmere" peridot. Due to the large size of the rough stones found there, cutters have successfully created faceted stones of over 100 carats (20 g) from the rough gems of this area.
It is the birthstone for the month of August, and my birthday is in August, too. According to folklore, the peridot will bring its wearer success, peace, and good luck. Peridot has been found in Egyptian jewellery from the early second millennium BCE and was mined from the volcanic island of Zebirget, or St. Johns Island, in the Red Sea. Native Hawaiians referred to peridot crystals as the tears of Pele, their goddess of fire.
TO SEE A PICTURE:
http://www.gemsuite.com/picture/c_peridot.jpg
Tiger's eye (also Tigers eye, Tiger eye) is a chatoyant gemstone that is usually yellow- to red-brown, with a silky luster. It is a fibrous silicified crocidolite (blue asbestos), a classic example of pseudomorphous replacement. An incompletely silicified blue variant is called Hawk's eye. A member of the quartz group, its physical and optical properties are identical or very near to those of single-crystal quartz.
The gems are usually cut en cabochon in order to best display their chatoyancy. Red stones are brought about through gentle heat treatment. Honey-coloured stones have been used to imitate the much higher valued cat's eye chrysoberyl (cymophane), but the overall effect is unconvincing. Artificial fibreoptic glass is a common imitation of tiger's eye, and is produced in a wide range of colours.
TO SEE A PICTURE:
http://www.berknerdesigns.com/gifs/TigersEye.jpg
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RARE! Natural Gem 102.53ct 36x24mm AMAZING MORGANITE (PINK EMERALD), MADAGASCAR $7,773.00 |
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36.40 Cts SPARKLING NATURAL ULTRA RARE MORGANITE GEM NR $6,222.00 |
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4.9" Pink Gem MORGANITE Crystals onAlbite White Queen Mine 1990 Pala CA for sale $5,000.00 |
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RARE Natural Gem 60.14ct 27x23mm Oval AAA MORGANITE (PINK EMERALD), MADAGASCAR $4,200.00 |
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Natural Gem 30.41ct 2pcs Pair 18x13mm Oval MORGANITE (PINK EMERALD), MADAGASCAR $1,800.00 |
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Estate 19.78 carat GEM Morganite 14kt Gold Ring $1,785.00 |
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MORGANITE- TOP GEM -14.10CT OVAL -CHECKERBOARD $1,763.00 |
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36.40 Cts SPARKLING NATURAL ULTRA RARE LUSTER MORGANITE BERYL GEM $1,699.00 |
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RARE Natural Gem 34.61ct 20x20mm Antique-Cut MORGANITE (PINK EMERALD) MADAGASCAR $1,686.30 |
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RARE! Natural Gem 32.75ct 24.5x20.5mm Pear MORGANITE (PINK EMERALD), MADAGASCAR $1,601.05 |
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RARE! Natural Gem 32.27ct 22x19mm Oval MORGANITE (PINK EMERALD), MADAGASCAR $1,479.05 |
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RARE! Natural Gem 31.54ct 22.3x20.6mm Heart MORGANITE (Pink Emerald), MADAGASCAR $1,445.58 |
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~22.01Cts UNSEEN NATURAL SOFT PEACH PINK MORGANITE GEM~ $1,399.99 |
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Glass Gem Morganite Glass Dildo CASE OF 12 $176.99 Glass Gem Morganite Glass Dildo100% Money Back GuaranteeQuality Hand Blown GlassDishwasher SafeHypoallergenicChemical & Odor Resistant... |
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Beryl and Its Color Varieties: Aquamarine, Heliodor, Morganite, Goshenite, Emerald and Red Beryl $38.67 Emerald and aquamarine have been known and cherished since Antiquity, but it is only in the last few centuries that science has realized that these two coveted gems are actually different varieties of the same mineral -- Beryl. Number 7 in the popular extraLapis English mineralogy monograph series, "Beryl: And Its Color Varieties" surveys the mineralogy and localities of this popular gemstone.... |
