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This milky opaque stone is a calcium borosilicate hydroxide. While it was first found in Canada, it’s also mined in the United States, Germany, Russia, Mexico, and many other places on the planet. Usually, it’s mined in irregularly shaped nodules or cauliflower-like blooms. However, mines in California and Nevada have it in the rare crystallized form!
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🇺🇸 Ship from USA · On Agora since 2025
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