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Amethyst and Europe; Two of Europe's most notable sites for amethyst are found in Italy and Germany. Italy's deposits contain amethyst crystals of evenly distributed coloration. Crystals of pale hue and prismatic character are often large in size and can occur parallel in formation.
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www.jewelrysupplier.com/2_amethyst/amethyst_geography.h...
www.jewelrysupplier.com/2_amethyst/amethyst_geography.htm
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the formation of amethyst geodes. Fluid inclusion and stable isotope data presented here indicate that tem- peratures during the geode filling period at ...
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www.springerlink.com/index/0CX044H4AMRMJNWB.pdf
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Kaboodle - Amethyst and Agate GEODE Natural Formation (GEO11) review and product info . Learn more about Amethyst and Agate GEODE Natural Formation (GEO11), learn other people's perspectives, compare prices, and find out where to buy. ... Geode of Amethyst crystals surrounded by thin bands of rust, brown, tan and grey...
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www.kaboodle.com/reviews/amethyst-and-agate-geode-natur...
www.kaboodle.com/reviews/amethyst-and-agate-geode-natural-formation-geo11
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Under the action of an ionizing irradiation upon said crystals, these potential centers give rise to the formation of amethyst colour centers imparting violet colour to the colourless quartz crystals.
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www.freepatentsonline.com/3936276.html
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Amethyst clusters, beautiful amethyst druses and flowers, formations, new age energy, great specimens, spiritual healing and sobriety properties ... ; Amethyst Druzy Formation; 6.4 oz. 2" X 2 X 1 3/4"; Beautiful! Perfect home decor. Nice points. AM323 $12.80; Add To Cart...
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www.freespiritemporium.com/amethyst.html
www.freespiritemporium.com/amethyst.html
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Diana Debord says: ... i think it's amethyst? great colours ; Posted 29 months ago. ( permalink ) ... A Rock Crystal formation [Amethyst?] by Robin...
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www.flickr.com/photos/anibor/392671963/
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Information on the mineral amethyst ... AMETHYST; Purple variety of Quartz amethyst - mineral 75.1.3.1vr ... Amethyst Quartz - Mixture of Amethyst and Milky Quartz (or clear Quartz). It is purple on top and white or clear on the bottom. It may also be banded purple and white. Ametrine - Mixture of Amethyst and Citrine.
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www.minerals.net/mineral/silicate/tecto/quartz/varietys...
www.minerals.net/mineral/silicate/tecto/quartz/varietys/amethyst.htm
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The Drusy Clusters consist of tiny crystal points in their very formation, and are encrusted on either sandstone or quartz based matrixes. I like to think of drusy crystals for people who want to encourage ideas or thought forms ready to spring forth and grow.
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www.arkansascrystalworks.com/descript.htm
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Amethyst is the name given to the variety which is transparent and light to dark purple in color. Although amethyst is found on almost every continent the dark transparent and clean stones are relatively rare and always in demand. ... There are 477 Amethyst gemstones available at Multicolour.com...
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www.multicolour.com/gemstones/amethyst.html
www.multicolour.com/gemstones/amethyst.html
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