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Pyroxene Group.

Magnet Cove, Arkansas.

Small black grains scattered in nepheline syenite.

The specimens shown in the picture are a random selection from stock, and won't be the exact specimens selected for your order, but similar.

Free shipping to US orders - you must order a minimum of $10.00 worth of specimens (mix and match)

This mineral is available by the pound, up to 100 pounds. Please contact us for pricing.