Quartz after Calcite (Ref: 5006484)
Ametista do Sul, Alto Urugai, Rio Grande do Sul, Brazil
155mm x 120mm x 55mm
Sherman large scalenohedral crystals of what were once calcite measuring to 5.5 cm in size, these now replaced by sparkling attractive amethyst crystals, across the top of a amethyst crystal matrix. This is in terrific condition. Hematite is present as well.From: Weinrich Minerals
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See Also
Calcite With Quartz
Huanggang Mine, Hexigten Banner, Inner Mongolia A.R., China
$750
100mm x 90mm x 50mm
From: The Arkenstone
Ilvaite with Calcite on Quartz
Dal\'negorsk, Primorskiy Kray, Russia
$750
160mm x 55mm x 28mm
From: Bob Griffis Minerals
Quartz cast after Calcite
Xiefang, Ruijin, Jiangxi Province, China
$900
110mm x 70mm x 50mm
From: The Arkenstone
Calcite on Quartz var. Amethyst ps. Calcite
Peregrina Mine, Guanajuato Mun., Guanajuato, Mexico
$900
80mm x 50mm x 30mm
From: The Arkenstone
Quartz (var. Prase) with Calcite
Avissalos Mtn, Serifos Island, Cyclade Islands, Kyklades Prefecture, Aegean Islands Department, Greece
$675
90mm x 50mm x 30mm
From: Bob Griffis Minerals
Galena (twinned) on Quartz with Fluorite & Calcite
Nikolaevskiy Mine, Dalnegorsk, Primorsky Krai, Russia
$950
90mm x 60mm x 50mm
From: The Arkenstone
Calcite on Quartz
Ballyegan Quarry, Castle Island, Co. Kerry, Ireland
$1000
220mm x 140mm x 70mm
From: Marin Minerals
Quartz (var. Prase) on Calcite
Avissalos Mtn, Serifos Island, Cyclade Islands, Kyklades Prefecture, Aegean Islands Department, Greece
$575
85mm x 34mm x 25mm
From: Bob Griffis Minerals
Calcite, Sphalerite, Quartz, Pyrite, Siderite.
TrepĨa, Mitrovica, Kosovo
$593 *
125mm x 85mm x 65mm
From: A Bijoux
Calcite with Quartz
Shimen Mine, Shimen (Huangchang) As-(Au) deposit, Shimen Co., Changde Prefecture, Hunan Province, China
$550
129mm x 88mm x 67mm
From: Bob Griffis Minerals
Calcite on Quartz (v. Amethyst)
Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
$475
148mm x 92mm x 23mm
From: Bob Griffis Minerals
Quartz with Calcite
Idarado Mine, Ouray District, Telluride, San Miguel County, Colorado, USA
$175
85mm x 71mm x 55mm
From: Bob Griffis Minerals
Dioptase, quartz, calcite
Sanda, Mindouli District, Pool Department, Republic of the Congo
$160
45mm x 35mm x 25mm
From: Spirifer Minerals
Calcite on Quartz
Lechang Mine, Lechang Co., Shaoguan Prefecture, Guangdong Province, China
$130
73mm x 64mm x 37mm
From: Bob Griffis Minerals