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Calcite on Amethystine Quartz
Calcite on Amethystine Quartz Calcite on Amethystine Quartz Calcite on Amethystine Quartz
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Calcite on Amethystine Quartz (Ref: ELC0529)

Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
106mm x 87mm x 31mm
$160
Cream-colored blades of Calcite, most forming rosettes to 13 x 12 mm in diameter, partly cover a thin plate of pale purple Amethyst crystals to 21 x 14 mm in size. The luster and color are very good, and the Calcite nicely contrasts with the underlying Amethyst. The Amethyst crystals have a weirdly elongated taper with striations perpendicular to the terminations. This fine old specimen dates to about the mid-1960s, when the Earl Calvert collection was assembled. In perfect condition. ex. Earl Calvert collection. Purchased in 1999 for my personal collection.

ex. Bob Griffis Personal collection

Data last checked on 14th Jun 2025 - specimen may no longer be available

From: Bob Griffis Minerals
Buy now from Bob Griffis Minerals

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See Also

Calcite Macle + Amethyst Flower.
Minas Gerais, Brazil
$203 *
102mm x 101mm x 55mm
From: A Bijoux
Amethyst pseudo. Calcite
Alacam Mine, Dursunbey, Marmara Region, Turkey
$120
42mm x 30mm x 30mm
From: Marin Minerals
Calcite on Amethyst
Zacatecas, Mexico
$450
65mm x 40mm x 30mm
From: Marin Minerals
Amethyst (“reverse” scepters) on Calcite
Bombori, Chayanta Province, Potosi Department, Bolivia
$317
63mm x 51mm x 32mm
From: Mineral Classics
Calcite on Quartz var. Amethyst ps. Calcite
Peregrina Mine, Guanajuato Mun., Guanajuato, Mexico
$900
80mm x 50mm x 30mm
From: The Arkenstone
Amethyst after Calcite
Artigas, Uruguay
$750
80mm x 60mm x 40mm
From: Marin Minerals
Columnar Calcite Spray on Amethyst from Brazil
Irai, Rio Grande do Sul, Brazil
$750
78mm x 88mm x 86mm
From: Greenstone Fine Mineralia
Calcite on Quartz
Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
$300
64mm x 38mm x 36mm
From: Bob Griffis Minerals
Quartz on Amethyst
Mina Cata, Guanajuato, Mexico
$150
45mm x 22mm x 15mm
From: Marin Minerals
Calcite with Pyrite
Guanajuato, Mexico
$80
75mm x 40mm x 20mm
From: Weinrich Minerals
Quartz variety Amethyst
Cata Mine, Guanajuato, Guanajuato, Mexico
$72
66mm x 67mm x 22mm
From: GreatCrystals.com
Calcite
Guanajuato, Guanajuato, Mexico
$255
80mm x 60mm x 35mm
From: Weinrich Minerals
PYRITE epimorph after CALCITE
Charcas, Charcas Municipality, San Luis Potosi, Mexico
$165
85mm x 59mm x 19mm
From: Quebul Fine Minerals
Calcite on Quartz (v. Amethyst)
Valenciana Mine, Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
$475
148mm x 92mm x 23mm
From: Bob Griffis Minerals
VANADINITE, CALCITE
San Carlos Mine (Apex mine), San Carlos, Manuel Benavides Municipality, Chihuahua, Mexico
$115
37mm x 28mm x 28mm
From: Quebul Fine Minerals
* price is an approximate conversion and may not be accurate.

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