Gem-quality Kyanite crystals are pale to deep blue; its name derives from the Greek word for blue. It has a virtuous lustre, often with irregular streaks (zoning) making the colour distribution of the stone uneven. Like sapphire, it is seldom clean. It is also difficult to cut because of variable hardness (5-7 MOH) and cleavage. Besides other places like Brazil, Burma, Kenya and the European Alps, gem-quality crystals are found in alluvial deposits in India. It a cheaper and popular alternative in the country and hence referred to as the Indian Sapphire.
GEMS AND GEMOLOGY
Gemology has been a fascinating hobby of mine for over 20 years, reading up “Gemstones of the World” by Walter Schumann, attending practical classes on coloured gemstones, and visiting gem mining areas. I acquired some pieces, both priced and less well known, of various colours, shapes and cuts from gem-producing areas like Burma,Sri Lanka, Thailand, Cambodia etc. These have since grown to quite a collection.
Among the 63 gems species are: traditional gemstones - corundum(sapphire,ruby), beryl (emerald,aquamarine), fancy diamond; and others - spinel, chrysoberyl(cat's eye,alexandrite), tanzanite, garnet(tsavorite, spessartite,), tourmaline(rubellite,indocolite), zircon, topaz, quartz(amethyst,citrine), chalcedony(agate,chrysoprase), feldspar(moonstone,labradorite), kyanite, peridot, kunsite, scapolite, flourite and many other lesser known gemstones. (view complete list on blog archive on the right with traditional gemstones at the bottom. click on types of interest to you.)
I'm now divesting my collection. An abbreviated description is provided below each photo, including price. Example 1: m2(size ref) tq(turquoise gem) ov(oval shape) plgnbl(pale greenish blue colour) afg ( Afghanistan country) 3.82 (carat weight) (18.7x8.5mm)(dimensions LxW) in mm) op (opaque clarity) 175 (USD 175 price) 10b30 N18(ref no and location). Example 2:"sa (type sapphire), ov(shape oval), dpbl(colour deep blue), af(origin Africa), 4.43(weight in carat), (11.3x10.2x4.6mm)dimension LxWxD, ec(clarity eyeclean), 1k(price US$1000)".
Personal viewing can be done for friends in Singapore.
Those outside Singapore, purchase can be secured via registered post upon payment in USD(or Singapore equivalent) via paypal, money/postal order, account transfer/cheque (Singapore) or other mutually agreed arrangement. Do have a look and contact me for any other details.
Happy viewing!
Friday, January 8, 2010
vsi%20800%208b12%20L100%5B4%5D.jpg "h ky lgov roybl 10.84(17.8x9.6x5.6)vsi 800 8b12 L100")
vsi%20650%208b12%20E106%5B4%5D.jpg "l1 ky lgov roybl 8.23(15.1x9.5x6)vsi 650 8b12 E106")
ec%20650%208b12%20T260%5B4%5D.jpg "l3 ky em roybl 6.52(11.5x9.2x5.4)ec 650 8b12 T260")
ec%20650%208b12%20N33%5B2%5D.jpg "l3 ky em roybl ti 6.57(12.8x8.3x8.3)ec 650 8b12 N33")
vsi%20400%208b13%20M52%5B3%5D.jpg "m1 ky ov roybl ti 4.72(10.5x8.7x5.5)vsi 400 8b13 M52")
vsi%20300%208b13%20M39%5B5%5D.jpg "m2 ky ov roybl 3.52(9.7x7.6x5.3)vsi 300 8b13 M39")
ec%20360%208b12%20N25%5B3%5D.jpg "m2 bi-ky em vibl ti 3.60(10x8.9x4.6)ec 360 8b12 N25")
ec%20325%208b13%20N52%5B6%5D.jpg "m2 ky em roybl ti 3.21(9.3x7.9x3.9)ec 325 8b13 N52")
ec%20400%208b13%20NE102%5B12%5D.jpg "m2 ky ov roybl 3.73(9.8x7.8x4.9)ec 400 8b13 NE102")
ecz%20265%208b13%20N50%5B8%5D.jpg "m3 bi-ky ov bl-wh 2.63(8.6x7.5x4.5)ecz 265 8b13 N50")
vsi%20350%208b13%20ME68%5B5%5D.jpg "m2 ky ov roybl 3.83(10.9x7.3x4.9)vsi 350 8b13 ME68")
ec%20400%208b12%20N36%5B5%5D.jpg "m2 ky ovlg roybl 3.82(12.6x6.9x4.2)ec 400 8b12 N36")
ec%20275%208b13%20N67%5B3%5D.jpg "m3 ky pr roybl 2.72(16x5.6x5.5)ec 275 8b13 N67")
ec%20250%208b14%20N52%5B7%5D.jpg "s1 ky em roybl 1.82(8.2x5.2x3.6)ec 250 8b14 N52")
ec%20pr360%208b14%20N52%5B2%5D.jpg "s1 ky sq1 roybl 1.91(6.1sqx4.6)ec pr360 8b14 N52")
ec%20pr360%208b14%20N52%5B2%5D.jpg "s1 ky sq2 roybl 1.69(6.3sqx4)ec pr360 8b14 N52")
c%20250%208b14T92%20T92%5B2%5D.jpg "s1 ky sq roybl 1.80(6.3sqx4.2)c 250 8b14T92 T92")
ec%20170%208b14%20N13%5B9%5D.jpg "s1 ky sq roybl ti 1.61(6.3x3.5)ec 170 8b14 N13")
tp%201.1k%208b11%20M41%5B3%5D.jpg "g ky ov bl 36.54(22x16.4x11.6)tp 1.1k 8b11 M41")
tp%201.05k%208b9%20N122%5B3%5D.jpg "g ky ov bl 35.17(20x16.7x10.5)tp 1.05k 8b9 N122")
tp%20500%208b11%20N78%5B2%5D.jpg "h ky ov bl 10.08(14.8x9.9x6.5)tp 500 8b11 N78")
tp%20500%208b11%20N62%5B8%5D.jpg "h ky ov bl 10.16(13.8x10.2x7.8)tp 500 8b11 N62")
ec%20500%208b11%20M41%5B3%5D.jpg "l2 ky ceov bl 7.90(12.8x9.5x6.6)ec 500 8b11 M41")
vsi%20500%208b11%20N56%5B5%5D.jpg "l2 ky ov bl 7.97(13.6x8.8x6.9)vsi 500 8b11 N56")
ec%20360%208b12%20N25%5B2%5D.jpg){kind=link}
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