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YELLOW QUARTZ.
Yellow quartz, known as false topaz, Bohemian, occidental, Indian, or Spanish topaz, resembles the real topaz in color, but is softer, lighter, different in crystallization and cleavage, and in electrical properties.
In color, this stone varies from the lightest yellow to orange-red and brown.
Most of the yellow quartz comes from Brazil, and much of it is changed to yellow by burning amethyst and smoky quartz.
ROSE QUARTZ.
Rose quartz occurs in a massive form, usually very imperfect and cracked, and varying in color from rose-red to pink. The color is supposed to be due to titanic acid, and often becomes paler on exposure.
This stone is nearly opaque and semi-transparent on the edges, has a greasy lustre, and specific gravity of 2.65 to 2.75. Rabenstein near Zwiesel in Bavaria, the United States, Brazil, France, Ceylon, Finland, and Siberia are places where rose quartz has been found. |
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Precious Stones Guide Vol 1
>> About the Properties of Yellow and Rose Quartz
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