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Prehnite
Prehnite Prehnite Prehnite
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Prehnite (Ref: R530)

Merelani Hills, Arusha, Tanzania
36mm x 30mm x 30mm
$350
Outstanding, sharp cluster of blue Prehnite, with large individual crystals. Crystallized Prehnite is uncommon worldwide with most Prehnite found as botryoidal masses. The best crystals are known from the Jeffrey Mine in Canada and here at Merelani. Merelani Prehnite is mostly yellow with these blue Prehnites being much less common and blues of this quality with such good crystal form even more so. These are also color change, producing different shades of blue in indoor versus outdoor lighting.
Data last checked on 10th Oct 2025
From: Marin Minerals
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See Also

Prehnite
Merelani Hills, Arusha, Tanzania
$300
36mm x 30mm x 21mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$300
40mm x 30mm x 28mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$300
40mm x 25mm x 15mm
From: Marin Minerals
Prehnite
Merelani HIlls, Arusha, Tanzania
$280
60mm x 45mm x 30mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$280
30mm x 25mm x 18mm
From: Marin Minerals
Chabazite on Prehnite
Merelani Hills, Arusha, Tanzania
$275
33mm x 25mm x 20mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha Region, Tanzania
$270
32mm x 30mm x 15mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$225
40mm x 37mm x 35mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$500
32mm x 28mm x 25mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$200
37mm x 32mm x 20mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$200
25mm x 15mm x 13mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$550
35mm x 30mm x 30mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha Region, Tanzania
$128 *
57mm x 35mm x 35mm
From: Taranis Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$600
70mm x 45mm x 40mm
From: Marin Minerals
Prehnite
Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania
$51 *
43mm x 34mm x 17mm
From: Taranis Minerals
* price is an approximate conversion and may not be accurate.

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