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Title: Natural History Museum (Gemstones Chart) Art Print Poster
Format: Poster view MORE Posters
Size: 24 x 36 inches (61 x 91 cms)
SKU: 633172
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Regular Price: $15.00
Our Price: $3.61 (you save 76%)
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Availability: in-stock and ready to ship
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Details: This poster is a chart of gemstones. It shows the name, picture and description for 54 different gemstones.
A gemstone or gem (also called a precious or semi-precious stone, or jewel) is a piece of attractive mineral, which—when cut and polished—is used to make jewelry or other adornments. However certain rocks, (such as lapis lazuli) and organic materials (such as amber or jet) are not minerals, but are still used for jewelry, and are therefore often considered to be gemstones as well. Most gemstones are hard, but some soft minerals are used in jewelry because of their lustre or other physical properties that have aesthetic value. Rarity is another characteristic that lends value to a gemstone.
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