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Prehnite on Tanzanite
Prehnite on Tanzanite Prehnite on Tanzanite Prehnite on Tanzanite Prehnite on Tanzanite
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Prehnite on Tanzanite (Ref: MK297)

Merelani Hills, Arusha, Tanzania
45mm x 28mm x 20mm
$4750
Gemmy purple/blue Tanzanite crystal with attached Prehnite from the Merelani Hills in Tanzania. The Tanzanite has classic form and is complete all around. It's a natural, unheated crystal with and orange/red coloration when viewed up the C-axis (last photo shows this color, shot with my hand wrapped around the crystal and a light shining up from the bottom). The Prehnite is translucent lemon yellow and forms hemispherical clusters that total 2cm wide. It's rare to find such clean looking Prehnite on Tanzanite specimen. Weighs 28.75 grams.
Data last checked on 26th Oct 2025 - specimen may no longer be available

From: Marin Minerals
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See Also

Prehnite on Tanzanite
Merelani Hills, Lelatema Mountains, Arusha Region, Tanzania
$3900
29mm x 20mm x 10mm
From: Marin Minerals
Prehnite on Tanzanite
Merelani Hills, Arusha, Tanzania
$6000
31mm x 22mm x 15mm
From: Marin Minerals
Tanzanite
Merelani Hills, Lelatema Mtns., Arusha Region, Tanzania
$4500
31mm x 18mm x 8mm
From: Marin Minerals
Zoisite var. Tanzanite (8.60 ct)
Merelani Hills, Lelatema Mtns., Simanjiro Dist., Manyara Region, Tanzania
$5000
10mm
From: The Arkenstone
Prehnite Cast After Anhydrite
Prospect Park Quarry, Prospect Park, Passaic Co., New Jersey, USA
$4500
120mm x 100mm x 60mm
From: The Arkenstone
Tanzanite
Merelani Hills, Arusha, Tanzania
$3800
20mm x 13mm x 12mm
From: Marin Minerals
Tanzanite
Merelani Hills, Arusha Region, Tanzania
$3500
35mm x 17mm x 17mm
From: Marin Minerals
Zoisite var. Tanzanite
Merelani Hills, Lelatema Mtns., Simanjiro Dist., Manyara Region, Tanzania
$6000
80mm x 20mm x 10mm
From: The Arkenstone
Zoisite ("yellow Tanzanite")
Merelani Hills, Lelatema Mtns., Simanjiro Dist., Manyara Region, Tanzania
$4500
40mm x 20mm x 10mm
From: The Arkenstone
Prehnite on Epidote
Diakon, Cercle de Boufalabe, Kayes Region, Mali
$3500
80mm x 80mm x 50mm
From: The Arkenstone
Babingtonite and Prehnite on Quartz
Babingtonite occurrences, Qiaojia Co., Zhaotong, Yunnan, China
$6000
60mm x 40mm x 20mm
From: The Arkenstone
Prehnite
Jeffrey Mine, Asbestos, Quebec, Canada
$3500
110mm x 70mm x 60mm
From: The Arkenstone
Hydroxyapophyllite-(K) on Prehnite
Fairfax Quarry, Centreville, Culpeper Basin, Fairfax Co., Virginia, USA
$3500
150mm x 110mm x 90mm
From: The Arkenstone
Quartz + Dumortierite.
Vaca Morta quarry, Bahia, Brazil
$5081 *
135mm x 70mm x 55mm
From: A Bijoux
Corundum var. Ruby
Dattaw, Mogok, Burma
$4800
30mm x 20mm x 20mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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