corundum crystal
剛玉晶體
synthetic corundum
合成剛玉
corundum abrasive
剛玉磨料
corundum gemstone
剛玉寶石
corundum powder
剛玉粉末
corundum structure
剛玉結構
corundum variety
剛玉品種
corundum hardness
剛玉硬度
corundum layer
剛玉層
corundum source
剛玉來源
corundum is a mineral that is used in abrasives.
剛玉是一種用於磨料的礦物。
ruby and sapphire are varieties of corundum.
紅寶石和藍寶石是剛玉的變種。
the hardness of corundum makes it ideal for industrial applications.
剛玉的硬度使其非常適合工業應用。
corundum can be found in metamorphic rocks.
剛玉可以在變質岩中找到。
some gemstones are made from corundum crystals.
一些寶石是由剛玉晶體制成的。
corundum is often used as a grinding material.
剛玉常用作磨削材料。
the blue color of sapphire comes from corundum.
藍寶石的藍色來自剛玉。
corundum has a high melting point, making it useful in high-temperature applications.
剛玉具有高熔點，使其在高溫應用中非常有用。
corundum is classified as a hard mineral on the mohs scale.
剛玉在莫氏硬度表上被分類爲硬礦物。
jewelry made from corundum is highly valued.
由剛玉製成的珠寶非常有價值。
corundum crystal
剛玉晶體
synthetic corundum
合成剛玉
corundum abrasive
剛玉磨料
corundum gemstone
剛玉寶石
corundum powder
剛玉粉末
corundum structure
剛玉結構
corundum variety
剛玉品種
corundum hardness
剛玉硬度
corundum layer
剛玉層
corundum source
剛玉來源
corundum is a mineral that is used in abrasives.
剛玉是一種用於磨料的礦物。
ruby and sapphire are varieties of corundum.
紅寶石和藍寶石是剛玉的變種。
the hardness of corundum makes it ideal for industrial applications.
剛玉的硬度使其非常適合工業應用。
corundum can be found in metamorphic rocks.
剛玉可以在變質岩中找到。
some gemstones are made from corundum crystals.
一些寶石是由剛玉晶體制成的。
corundum is often used as a grinding material.
剛玉常用作磨削材料。
the blue color of sapphire comes from corundum.
藍寶石的藍色來自剛玉。
corundum has a high melting point, making it useful in high-temperature applications.
剛玉具有高熔點，使其在高溫應用中非常有用。
corundum is classified as a hard mineral on the mohs scale.
剛玉在莫氏硬度表上被分類爲硬礦物。
jewelry made from corundum is highly valued.
由剛玉製成的珠寶非常有價值。
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