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Smoky Quartz
What is the least common type of quartz?
I am doing a project on the Tigers from the eyes of science class. I wanted to add a graphic bar most common types of quartz in order. I have so far: 1. Rock Crystal 2. Game 3.Citrine 4.Rose Quartz and 5. Smoky Quartz. I know there are at least 10 main types of quartz and let me know if you come on my list.
(1) is a rock crystal, clear, colorless quartz crystals different. (2) quartz is milky white and almost opaque. Its whiteness is caused by minute fluid inclusions in quartz solid. (3) smoky quartz is a brown or almost black or transparent, semi-transparent yellow variety. His appearance smoke may be the result of exposure to radiation from radioactive materials in rocks. (4) Rose Quartz commonly occurs in large masses no external crystal form. The rose or pink color is caused by small amounts of titanium in the ore. (5) Amethyst is purple or violet quartz and is often in the form of lenses. The impurities that cause purple is the ferric iron (6). Citrine is yellow quartz transparent. Crypto-crystalline quartz also fibrous comes in many varieties. A general name for different varieties of chalcedony is: (7) Chalcedon is translucent, has a waxy appearance and is often filled or lining the cavities of rock (8). chalcedony, carnelian is red (9). Sard is a reddish brown chalcedony (10). Chrysoprase is a light green variety of chalcedony (11). heliotrope, which is also known as bloodstone, green with red spots (12). agate and onyx bands are forms of chalcedony. Granular crypto-crystalline Quartz varieties are of stone, flint and jasper (13) Flint is a dark and durable material that can be divided into parts and sharp edges. (14) Chert stone is similar, but generally has a lighter color (15). Jasper is a crypto-crystalline quartz granular red, yellow or brown in an iron oxide included. rarest form of the = quartz amethyst is the rarest form of quartz and has the distinction of giving off a beautiful violet or purple. (Link below) Even more, amethyst as "blue quartz" is the absolute rarest form defined by the use of a Rayleigh scattering effect to generate color. (Link below)
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