最終更新日：2023/09/05
Greenland spar is a mineral that is often used as a synonym for cryolite.
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Greenland spar is a mineral that is often used as a synonym for cryolite.
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Greenland spar is a mineral that is often used as a synonym for cryolite.
Greenland spar is a mineral that is often used as a synonym for cryolite.
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