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Quartz cast
Quartz cast Quartz cast
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Quartz cast (Ref: P248)

Mt. Baldwin, Mono Co., California, USA
58mm x 54mm x 30mm
$350
Unusual Quartz formation that looks like an Egyptian pyramid. It has smooth white outer faces with one tip open revealing a hollow, crystal-lined interior. Ex. Carl Acosta collection.
Data last checked on 8th Jun 2026 - specimen may no longer be available

From: Marin Minerals
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See Also

Woodhouseite with Quartz
Champion Mine, Mono Co., California, USA
$300
80mm x 45mm x 40mm
From: Marin Minerals
Elbaite on Quartz
Himalaya Mine, San Diego Co., California, USA
$300
28mm x 20mm x 20mm
From: Marin Minerals
Quartz
Mt. Tamalpais, Marin Co., California, USA
$150
70mm x 25mm x 23mm
From: Marin Minerals
Woodhousite with Quartz
Champion Mine, Mono Co., California, USA
$150
50mm x 30mm x 25mm
From: Marin Minerals
Hematite in Quartz
White Mtns., Inyo Co., California, USA
$280
90mm x 70mm x 35mm
From: Marin Minerals
Quartz on Svanbergite
Champion Mine, Mono Co., California, USA
$75
17mm x 15mm x 10mm
From: Marin Minerals
Hematite with Quartz
Veta Grande claim, Dome Rock Mtns., La Paz Co., Arizona, USA
$350
52mm x 35mm x 35mm
From: Marin Minerals
Rhodochrosite on Quartz
Sunnyside Mine, Howardsville, Silverton District, San Juan Co., Colorado, USA
$400
75mm x 55mm x 45mm
From: Bob Griffis Minerals
Quartz 'Herkimer Diamond'
Herkimer Co., New York, USA
$300
35mm x 30mm x 25mm
From: Marin Minerals
Covellite with Quartz
Butte, Silver Bow Co., Montana, USA
$300
32mm x 22mm x 22mm
From: Marin Minerals
Quartz (Doubly Terminated)
Ron Coleman Mine, Blue Springs, Garland Co., Arkansas, USA
$275
80mm x 50mm x 40mm
From: The Arkenstone
Datolite on Quartz
Prospect Park, Passaic Co., New Jersey, USA
$275
55mm x 50mm x 40mm
From: Marin Minerals
Galena with Quartz
Butte Co., California, USA
$120
70mm x 55mm x 50mm
From: Marin Minerals
Japan-twin Quartz
PC Mine, Jefferson Co., Montana, USA
$450
43mm x 40mm x 25mm
From: Marin Minerals
Quartz (var. Chalcedony)
Reward Mine, Russ District, Inyo Co., California, USA
$100
65mm x 52mm x 47mm
From: Bob Griffis Minerals
* price is an approximate conversion and may not be accurate.

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