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BCR413 Prehnite

BCR413 Prehnite

$67.00

  • Here’s a new item, a gorgeous piece of Prehnite.
  • A great rock for cutting and any lapidary project.
  • This is a select piece of Prehnite that Shawn has picked out. He says he sees something special in these. Whether it be that it needs thumbed, ground on and tumbled, cut and tumbled or cut and polished , he sees something. Whether you will see what he sees, or whether you can bring to fruition what he sees would be up to you. Of course, with all rocks, there are still risks. There could be fracture lines in the wrong place, the color may change or…Shawn could just be wrong. Regardless, these are much higher quality than our regular tumble material.
  • It measures 6 3/8″ x 4 5/8″ x 5 7/8″ and weighs nearly 6 3/4 pounds.

In stock

Description

Prehnite is a semitransparent to translucent mineral with a chemical formula of calcium and aluminum.  It normally ranges in color from yellow-green to apple green.  Prehnite is a very hard mineral ranging from 6 to 6.5 on the Mohs scale  It is in the orthorombic crystal class usually found in radiating botryoidal (grape like) forms. It frequently occurs with epidote and quartz minerals.

Additional information

Weight6.75 lbs
Dimensions6.375 × 4.625 × 5.875 in

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