ほうせき
宝石
1. gem; jewel; precious stone
2. GemstoneA gemstone or gem (also called a precious or semi-precious stone, a fine gem, or jewel) is a piece of mineral, which, in cut and polished form, is used to make jewelry or other adornments. However certain rocks and organic materials 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 luster or other physical properties that have aesthetic value.
Read “Gemstone” on English Wikipedia
Read “宝石” on Japanese Wikipedia
Read “Gemstone” on DBpedia
Read “Gemstone” on English Wikipedia
Read “宝石” on Japanese Wikipedia
Read “Gemstone” on DBpedia
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