A crystalline boron silicate mineral. Black and lusterous, often flatish tumblestone


Simple Postage & Delivery Policy
All items are sent via royal mail 1st class postage for £2.95. Orders over £20 qualify for FREE 1st class postage.
FREE 1st CLASS SHIPPING WITH ORDERS OVER £20
A crystalline boron silicate mineral. Black and lusterous, often flatish tumblestone
Simple Postage & Delivery Policy
All items are sent via royal mail 1st class postage for £2.95. Orders over £20 qualify for FREE 1st class postage.
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