
Contributors in Gemstones
Gemstones
翠榴石
Fashion; General jewelry
emantoid 是罕見和寶貴 andradite 石榴石。它陳列的綠党從單調到明亮的翡翠綠和罕見的情況下顯示黃色的範圍。莫氏硬度的規模,demantoid 是相對較軟的在 6.5。它具有金剛光澤。 ...
密度
Fashion; General jewelry
The ratio of a gemstone when compared to the weight of an equal volume of water. This means how heavy a gemstone is compared to the same volume of water. Also known as "specific gravity" for solids.
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