Prehnite rough from South Africa – row of pieces
Prehnite rough from South Africa – pile, close view
Prehnite rough from South Africa – botryoidal surface
Prehnite rough from South Africa – group of pieces
Prehnite rough from South Africa – sizes beside a coin
Scorri sull'immagine per ingrandire Clicca sull'immagine per ingrandire
Prehnite rough from South Africa – row of piecesPrehnite rough from South Africa – pile, close viewPrehnite rough from South Africa – botryoidal surfacePrehnite rough from South Africa – group of piecesPrehnite rough from South Africa – sizes beside a coin

Prehnite - Rough

South Africa
Price per: Gram
Prezzo:
$0.22 CAD
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Specifications

  • Mohs Hardness 6.5
  • Mineral Families Silicates
  • UV Reactive Non Reactive
  • Treatments Natural/None

Descrizione

Locality: Karoo dolerites of Cradock, Cape of Good Hope (South Africa), Africa

Description: A nice jelly green at an affordable price for cutting. There is prehnite from Australia that also dominates the market but it is so much more expensive. This is the best bang for your buck and some of them are even specimen worthy or beginners.

Traditionally, prehnite has been regarded as a stone of peace.

Chemical Composition: Ca2Al(AlSi3O10)(OH)2

Grade: Semi Precious
Appearance: Translucent
Inclusions: There are the odd cracks, but nothing that will get in the way of cutting cabs. The stone has black tourmaline inclusions, usually stemming from the base.

Size approximately 1 pc: 4.5cm x 7.5cm x 8cm
Weight approximately 1 pc: 190g

Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.

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