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Prehnite ps. Calcite
Prehnite ps. Calcite Prehnite ps. Calcite
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Prehnite ps. Calcite (Ref: R616)

Merelani Hills, Arusha, Tanzania
40mm x 25mm x 20mm
$450
Uncommon Prehnite pseudomorph after Calcite from the Merelani Hills Tanzanite mines. Besides being a rare pseudomorph, it also has a seldom seen bright green coloration in areas.
Data last checked on 19th Nov 2025
From: Marin Minerals
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See Also

Prehnite With Calcite
Prospect Park Quarry, New Jersey, USA
$450
70mm x 50mm x 30mm
From: The Arkenstone
Prehnite
Merelani Hills, Arusha, Tanzania
$750
35mm x 22mm x 22mm
From: Marin Minerals
Prehnite Cast After Anhydrite With Calcite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$600
120mm x 90mm x 90mm
From: The Arkenstone
Prehnite Cast After Anhydrite With Calcite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$300
150mm x 90mm x 70mm
From: The Arkenstone
Calcite, gyrolite, prehnite
Malad Quarry, Mumbai, Maharashtra, India
$250
87mm x 69mm x 62mm
From: Spirifer Minerals
Prehnite with Calcite
New Street Quarry, Paterson, New Jersey, USA
$120
38mm x 25mm x 23mm
From: Marin Minerals
Analcime with Calcite and Prehnite on Quartz
Goboboseb Mountains, Brandberg District, Erongo Region, Namibia
$58 *
31mm x 40mm x 20mm
From: Taranis Minerals
Prehnite Cast After Anhydrite With Calcite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$900
70mm x 70mm x 50mm
From: The Arkenstone
Calcite on Prehnite Cast After Anhydrite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$1200
80mm x 60mm x 40mm
From: The Arkenstone
Tanzanite on Calcite
Merelani Hills, Arusha, Tanzania
$450
25mm x 25mm x 25mm
From: Marin Minerals
Chabazite on Prehnite on Tanzanite
Merelani Hills, Arusha, Tanzania
$450
30mm x 20mm x 20mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$500
32mm x 28mm x 25mm
From: Marin Minerals
Sphalerite with Graphite, Calcite
Merelani Hills, Arusha, Tanzania
$380
36mm x 20mm x 17mm
From: Marin Minerals
Prehnite
Merelani Hills, Arusha, Tanzania
$550
35mm x 30mm x 30mm
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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