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Prehnite
Prehnite Prehnite Prehnite
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Prehnite (Ref: R603)

Merelani Hills, Arusha, Tanzania
40mm x 40mm x 30mm
$2000
Cluster of translucent blue Prehnite crystals from the Merelani Tanzanite mines. A floater, perfect all around and undamaged. Interestingly, there are clusters of the typical yellow Prehnite attached to the back. Blue Prehnite from Merelani is much less common than the yellow, and this one is exceptional. Ex. Mike Keim.
Data last checked on 17th Nov 2025
From: Marin Minerals
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See Also

Prehnite
Merelani Hills, Arusha, Tanzania
$1500
55mm x 40mm x 38mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$1800
125mm x 75mm x 60mm
From: Marin Minerals
Prehnite on Tanzanite
Merelani Hills, Arusha, Tanzania
$1800
28mm x 17mm x 14mm
From: Marin Minerals
Prehnite Cast After Anhydrite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$2000
120mm x 80mm x 60mm
From: The Arkenstone
Epidote, Prehnite, Stilbite.
Bendougou, Kayes, Mali
$2134 *
120mm x 90mm x 60mm
From: A Bijoux
Prehnite
Merelani Mine, Arusha, Tanzania
$1500
30mm x 30mm x 20mm
From: The Arkenstone
Prehnite
Merelani Mines, Arusha, Tanzania
$2500
40mm x 40mm x 20mm
From: The Arkenstone
Prehnite + Epidote. 3303.5 ct.
Diamonkara, Kayes, Mali
$1976 *
From: A Bijoux
Babingtonite on Prehnite
Hongquizhen Quarry, Meigu Co., Liangshan, Sichuan Province, China
$1800
110mm x 90mm x 60mm
From: The Arkenstone
Prehnite on Quartz
El Hammam Mine, Khemisset Cercle, Rabat-Sale-Kenitra Region, Morocco
$1800
90mm x 80mm x 40mm
From: The Arkenstone
Prehnite
Oficarsa Quarry, Carchelejo, Cárcheles, Jaén, Andalusia, Spain
$1800
120mm x 50mm x 20mm
From: The Arkenstone
Chabazite on Prehnite after Tanzanite
Merelani Hills, Arusha, Tanzania
$1200
36mm x 34mm x 28mm
From: Marin Minerals
Prehnite
Merelani Mine, Arusha, Tanzania
$1250
70mm x 60mm x 40mm
From: The Arkenstone
Prehnite
Merelani Mine, Arusha, Tanzania
$1200
50mm x 40mm x 30mm
From: The Arkenstone
Prehnite with Pectolite
Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada
$2400
50mm x 40mm x 30mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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