Spinel-twinned gold crystal. Above, right: Elongated gold specimen is dramatically spinel-twinned.
Spinel
It is highly valued for its vibrant colors, durability, and brilliance and is a sought-after gem among collectors and jewelers alike.
Small spinel crystals have grown together to a produce big crystal
Formation
この記事は Rock&Gem Magazine の January - February 2025 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です ? サインイン
この記事は Rock&Gem Magazine の January - February 2025 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
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