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Quartz after Anhydrite
Quartz after Anhydrite Quartz after Anhydrite Quartz after Anhydrite Quartz after Anhydrite
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Quartz after Anhydrite (Ref: ST927)

Irai, Rio Grande do Sul, Brazil
90mm x 40mm x 30mm
minID: KKF-PGH
$1250
Quartz crystals (smokey and Amethyst) replacing a long Anhydrite crystal from Brazil. This rare pseudomorph has alot of character. The shape of the former Anhydrite with Quartz crystals along the edges reminds me of a chain saw blade. Translucent to transparent, pristine with an abundance of life, a truely unique specimen. Comes with an old Ken Roberts label.  Ken is a mineral dealer noted for his high level of taste and aesthetics.
Data last checked on 10th Jan 2026
From: Marin Minerals
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See Also

Quartz ps. Anhydrite
Iraí, Rio Grande do Sul, Brazil
$350
70mm x 50mm x 30mm
From: The Arkenstone
Quartz var. Agate
Iraí, Rio Grande do Sul, Brazil
$900
150mm x 120mm x 20mm
From: The Arkenstone
Quartz ps. Aragonite
Iraí, Rio Grande do Sul, Brazil
$750
50mm x 50mm x 40mm
From: The Arkenstone
Augelite on Quartz
Mundo Nuevo Mine | Mundo Nuevo | Huamachuco | Sánchez Carrión | La Libertad | Peru
$1283 *
60mm x 56mm x 53mm
From: Wendel Minerals
Eosphorite on Quartz
Ilha claim, Taquaral, Itinga, Minas Gerais, Brazil
$1250
30mm x 20mm x 20mm
From: The Arkenstone
Quartz with Helvite
Jinlong Hill, Longchuan, Guangdong Prov., China
$1200
180mm x 60mm x 50mm
From: Marin Minerals
Rhodochrosite, Quartz, Chalcopyrite & Tetrahedrite
Sweet Home Mine, Park Co., Colorado, USA
$1200
49mm x 35mm x 27mm
From: Greenstone Fine Mineralia
Tourmaline with Quartz, Lepidolite (R)
Aricanga Mine, Sao Jose da Safira, Minas Gerais, Brazil
$1200
55mm x 25mm x 23mm
From: Marin Minerals
Quartz
Paredón, Ramos Arizpe Mun., Coahuila, Mexico
$1200
90mm x 80mm x 50mm
From: The Arkenstone
Chrysocolla on Quartz
Tentadora Mine, Julcani Dist., Angaraes Prov., Huancavelica, Peru
$1200
60mm x 60mm x 30mm
From: The Arkenstone
Hematite with Rutile and Quartz
Novo Horizonte, Bahia, Brazil
$1200
20mm x 10mm x 10mm
From: The Arkenstone
gemmy RHODOCHROSITE, QUARTZ
Sweet Home Mine, Mount Bross, Alma Mining District, Park County, Colorado, United States
$1180
28mm x 17mm x 14mm
From: Quebul Fine Minerals
Quartz (smoky) with Pyrite
Dodo Mine, Saranpaul, Tyumenskaya Oblast\', Prepolar Ural, Western-Siberian Region, Russia
$1175
165mm x 116mm x 78mm
From: Bob Griffis Minerals
Hydroxylapatite on Quartz
Sapo Mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil
$1350
50mm x 30mm x 10mm
From: The Arkenstone
Quartz + Tourmaline.
Pederneira mine, Minas Gerais, Brazil
$1219 *
83mm x 61mm x 57mm
From: A Bijoux
* price is an approximate conversion and may not be accurate.

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