أخبار المجوهرات

ring making supplies Where do the gems come from?

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Gems are formed due to geological changes. Most of the gems are minerals or rocks naturally formed in the crustal rock layers, which usually take more than ten million years. Due to different geological conditions, the production area is also different, mainly depending on the mineral or rock properties formed by Baogou.

Minerals have a fixed chemical composition and crystal form, and most of them are rocks with a fixed crystal shape. Rocks are aggregates composed of multiple minerals, which exist in three forms: igneous, sedimentary, and metamorphic, and change cyclically. Igneous rock is formed by the rising of magma inside the earth and the solidification of the underground rock layer. The slower the cooling rate during solidification, the larger the mineral crystals formed, and the larger the crystals of gems. Kimberlite, which forms diamonds, is a kind of igneous rock. . Sedimentary rock is a rock mass formed by weathering and erosion, transported or deposited by external stress, and then lithification. عمومًا, it has a layered structure. Gems are usually sandwiched between layers. Opal is often Gems found in sedimentary rock formations. Metamorphic rocks are composed of igneous rocks or sedimentary rocks that generate new minerals due to changes in temperature or pressure in the earth’s crust, or through melting to produce new minerals. The gem minerals formed are very heterogeneous. Jadeite is a metamorphic rock gem.

The mining of gems is mainly through mining or quarrying. The main process includes multiple processes such as excavation, collection, cleaning, screening, grinding, and cutting.

The physical properties of gems mainly include: لون, الشفافية, gloss, specific gravity, hardness, density, toughness, refractive index, thermal conductivity, pleochroism, and special optical effects and cleavage, dispersion, إلخ. Preliminary identification and identification of gems can be made according to their physical properties.

As people use gems more and more widely, their knowledge has gradually formed a science. Contemporary gemology originated in the 18th century.

Beautiful gems are also your lucky stones, bringing charm and luck to people. Baolong.com is the world’s leading 3D online jewelry customization expert. It not only supports customers to choose the metal and lucky stone of all-round jewelry DIY, but also can carry out fully personalized and private customization, so that you can wear the unique products made for you. Different jewellery.

 

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