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Why can't Baishizi be paved?
Stone generally refers to a small rock mass that falls off when a large rock mass encounters an external force. Most of them are attached to the surface of large rock mass, generally in block or oval shape, with rough or smooth appearance, hard texture and brittle hardness. It can be used to make stone tools and collect stone mines. Thousands of years ago, ancestors made fires with stones. Stone is generally composed of calcium carbonate and silicon dioxide.
Gem type:
1, fluorite
Also known as soft water amethyst, soft water green crystal and fluorite. The colors of stones are yellow, green, blue and purple. When heated, it has glass luster and fluorescence, and the crushed stone slag can be used as the filter material in the filter. In industrial production, it is often used to smelt metal fittings and make fluoride, and can also be processed into low-grade jade. Origin: Jinhua, Zhejiang, Dean, Jiangxi, Longhua, Hebei.
2.malachite
In fact, it is the tailings of copper mine, with green and shiny color and peacock-tail-shaped circular patterns on the stone surface, hence the name. The copper ions in it will slowly dissolve in water, which will help to supplement the demand of aquatic plants for copper, but it is not advisable to put too much or too much to prevent excessive copper.
3. hibiscus stone
Don't call it Yu Nan and Ross Timely. There are rose, light red and white. The main component is silicon dioxide. Produced in Inner Mongolia and Shanxi.
4. Wood fossils
Also known as silicon fossils and tree fossils. 65.438+0.5 billion years ago, Jurassic trees evolved into fossils through crustal movement and volcanic ash burial. There are gray, tan, brown and black. Wood fossils in the aquarium can show the vicissitudes of history more vividly. Wood fossils themselves are organic substances, which have evolved into inorganic substances over hundreds of millions of years. Their shapes still retain the outline of trees, and even the annual rings can be clearly seen from the profile, which is incomparable to any other rock. In the aquarium, wood fossils can represent ancient times, and this long-standing process is fully displayed in an exaggerated way in a small aquarium. From the aesthetic point of view, aquatic plants, submerged wood and wood fossils belong to the same sex but have different materials, that is, they present a unified composition and contain changing characteristics, that is, harmony and jumping. Wood fossils are rare gems in the aquarium, which are produced in Liaoning and Zhejiang.
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