He would often spend a whole day settling and resettling in their cases the various stones that be had collected, such as the olive-green chrysoberyl
that turns red by lamplight, the cymophane with its wirelike line of silver, the pistachio-coloured peridot, rose-pink and wine-yellow topazes, carbuncles of fiery scarlet with tremulous, four-rayed stars, flame-red cinnamon-stones, orange and violet spinels, and amethysts with their alternate layers of ruby and sapphire.
4 million, showcased by Hong Kong exhibitor Hatta New World Company Limited (Booth: 1-B05); a Sri Lankan chrysoberyl
cat's eye stone, that weighs over 100 carats and is valued at more than HK$20 million, from Wilds Company Limited (Booth: 1-B11); a spinel snake presented by German exhibitor Paul Wild (Booth: 1-B01); a cushion vivid pink sapphire from US exhibitor Shaun Gems International (Booth: 1-A16); a purplish-red spinel from Swiss exhibitor ALine GmbH (Booth: 1-C16); and neon mint tourmalines from Ukrainian exhibitor Vitalii Golokoz, Pte (Booth: 1-A27).
The 'head' of the spicules in synthetic emeralds is usually composed of grains of synthetic phenakite, beryl, chrysoberyl
, gold or other mineralizers (Choudhary and Golecha, 2007).
2: how to identify and buy alexandrite, andalusite, chrysoberyl
cat's-eye, kyanite, common opal, fire opal, dinosaur gembone, tsavorite, rhodolite & other garnets.
Especially since World War II, the pegmatites of the state of Minas Gerais have yielded some of the world's finest specimens of topaz, chrysoberyl
, euclase, elbaite, and beryl (in all of its colored varieties); phosphate-rich pegmatites of the same state have furnished the world's finest specimens of brazilianite, beryllonite, eosphorite, hydroxylherderite, amblygonite and more; complex pegmatites of other kinds have provided cassiterite, xenotime, monazite and several rare-earth species; Brazilian specimens of titanite, phenakite, fluorapatite, kyanite, scheelite, spessartine and bertrandite are among the world's very best.
An outstanding example in the al-Sabah collection is a unique object--possibly a ceremonial case for a conch shell--in which gems, including chrysoberyl
cat's eyes, are richly set in gold to create the figure of a mythic beast in a design typical of southern India.
A gem variety of the mineral chrysoberyl
that changes color from green in daylight to red in incandescent light, Alexandrite was named after Tsar Alexander II on the occasion of his coming of age, as its green and red colors were the same as the old Russian imperial colors.
With the depletion of reserves of Zimbabwe's famous Sandawana emeralds, the country now concentrates on its deposits of aquamarine, chrysoberyl
, alexandrite, tourmaline, and yellow, green, and pink beryl.
5-8, which is exceeded by only a few other gemstones such as chrysoberyl
That there is something enchanting about the inanimate: cat's-eye, tourmaline, chrysoberyl
, salt, ice, rain.