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Prehnite
Prehnite Prehnite Prehnite Prehnite
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Prehnite (Ref: R620)

Merelani Hills, Arusha, Tanzania
35mm x 22mm x 22mm
$750
Rare bow-tie cluster of toothy yellow Prehnite crystals from the Merelani Tanzanite mines. Excellent large, translucent to transparent crystals complete all around and undamaged with just a small point of contact at the base. The best bow-tie I've ever had. Has some small attached and included Pyrite crystals too.
Data last checked on 1st Apr 2026 - specimen may no longer be available

From: Marin Minerals
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See Also

Prehnite on Tanzanite
Merelani Hills, Arusha, Tanzania
$750
20mm x 16mm x 14mm
From: Marin Minerals
Quartz on Tanzanite with Prehnite
Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania
$800
35mm x 35mm x 20mm
From: Marin Minerals
Prehnite after Tanzanite
Merelani Hills, Arusha, Tanzania
$800
40mm x 30mm x 18mm
From: Marin Minerals
Prehnite
Merelani Mine, Arusha, Tanzania
$750
40mm x 40mm x 30mm
From: The Arkenstone
Prehnite
Merelani Mine, Arusha, Tanzania
$750
60mm x 50mm x 40mm
From: The Arkenstone
Prehnite
Merelani Mine, Arusha, Tanzania
$750
40mm x 40mm x 20mm
From: The Arkenstone
Prehnite
Merelani Hills, Arusha, Tanzania
$600
70mm x 45mm x 40mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$550
35mm x 30mm x 30mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$950
65mm x 35mm x 35mm
From: Marin Minerals
Chabazite on Prehnite on Tanzanite
Merelani Hills, Arusha, Tanzania
$450
30mm x 20mm x 20mm
From: Marin Minerals
Prehnite ps. Calcite
Merelani Hills, Arusha, Tanzania
$450
40mm x 25mm x 20mm
From: Marin Minerals
Prehnite with Graphite rod
Merelani Hills, Arusha, Tanzania
$400
53mm x 50mm x 27mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$400
43mm x 35mm x 23mm
From: Marin Minerals
Chabazite on Prehnite with Tanzanite
Merelani Hills, Arusha, Tanzania
$400
54mm x 42mm x 34mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$350
36mm x 30mm x 30mm
From: Marin Minerals
* price is an approximate conversion and may not be accurate.

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