Prehnite AA Chips

SIZE: 10-20mm (Range)

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SKU: RS0636 Category: Tag:

Description

All of our Minerals & Crystals are 100% Genuine Specimens & come with a Certificate of Authenticity

Prehnite is an inosilicate of calcium and aluminium. It most often forms as stalactitic or botryoidal aggregates, with only just the crests of small crystals showing any faces, which are almost always curved or composite. Prehnite is brittle with an uneven fracture and a vitreous to pearly luster. Its hardness is 6-6.5, In April 2000, rare orange prehnite was discovered in the Kalahari Manganese Fields, South Africa. Prehnite is mostly translucent, and rarely transparent.

from India

SIMILAR TO SEEN: The image shows an example of the single specimen you will receive. This will be picked from our stock box graded and with a size within the minimum and maximum size range indicated. It will not be the exact specimen in the photo, the colours, shape, size and style may vary as with any natural item.