Sulfur (Sulphur)

When sulfur forms into crystals, it forms in the orthorhombic system, just like alexandrite and topaz. There are six crystal systems or ways that crystals form within specific minerals. Sulfur crystals, Cozzodisi Mine, Agrigento Province, Sicily, Italy. © Rob Lavinsky, www.iRocks.com. Used with permission.

Article: What are Crystal Systems and Mineral Habits?

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