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[DOCX File]Glossary of Gemstone and Crystal Correspondences
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Prasiolite. Opal (I forgot to put it in) Amethyst. Amethyst is a form of quartz that ranges from a bright to dark or dull purple color. The world's largest deposits of amethysts can be found in Brazil, Mexico, Uruguay, Russia, France, Namibia and Morocco. Blue quartz.
prasiolite stone

[DOC File]These questions are for use in the Virginia High School ...
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Федеральное агентство по образованию. Иркутский государственный технический университет. Иност
prasiolite vs green amethyst

[DOC File]I
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The color in amethyst is due to irradiation, which caused the iron ions present as impurities in quartz to rearrange themselves in the crystal lattice affecting the color in a reversible process. Synthetic amethyst is thus man-made by gamma-ray, x-ray or electron beam irradiation of clear quartz which has been first doped with ferric impurities.
prasiolite properties

[DOC File]ГЕНЕТИЧЕСКИЕ СВЯЗИ ДЕМАНТОИДА НОВО …
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This piezoelectric (pie-ee-zoh-ee-LEK-trik) crystal has varieties such as morion (MOH-rye-un), prasiolite (pray-see-OH-light), and chalcedony (chal-seh-DOH-nee). Name this mineral that is composed of silicon dioxide and is a “seven” on the Mohs scale. ANSWER: quartz. 6. It consists of seven short stories, including “The White Seal ...
what is green quartz called

Prasiolite - Wikipedia, the free encyclopedia
Oct 21, 2019 · Color-wise it is typically green with streaks of purple-pink, an amaranth hue, and sometimes with specks of black or white. Good stone to aid in improving physical health or vitality. Helps to alleviate lethargy, anxiety, stress, or social pressure.
value of prasiolite

[DOCX File]Amethyst
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Stones and their metaphysical meanings. Stone name: Color: Description: Region found: Current uses: Historical reference: Metaphysical meaning: Color varieties ...
prasiolite hardness

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NEW DATA ON PRASIOLITE. 57. ... The color of the blue corundum caused by Fe2+ – Ti4+ charge transfer. Color intensity depends on Fe3+ – Fe3+ interaction occupying octahedral position in structure. Color change from blue-grey to yellow-green depends on interaction between Fe3+–Fe3+, Ti4+ and Ti4+– Fe2+. ...
prasiolite quartz

What color is prasiolite