howlite - set of typical nodules of calcium silicoborate

howlite - set of typical nodules of calcium silicoborate

Brand: Geological Specimen Supply
9.50 USD In stock Buy at Merchant

Howlite is a calcium silicoborate known for its gray or black 'cauliflower' exterior and white interior. It is available in nodules and can be selected based on accompanying items.

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  • Default Title — 9.50 USD — In stock

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