Amethyst

Amethyst on amethyst

Origin: Magaliesberg, South Africa

Sample size: 9.9 x 5.8 x 4.7 cm

Scepter with smoky and amethyst tone at the large end and cluster growing in the opposite direction on the other end (with multiple terminations)

Origin: Brandberg, Namibia

Ex. Charlie Key collection

Sample size: 6.8 x 1.6 x 1.1 cm

Amethyst included with hematite

Origin: Thunder Bay, Ontario, Canada

Ex Lewadny Collection

Sample size: 7.7 x 5.2 x 4.6 cm

Amethyst scepter (doubly terminated)

Origin: Madagascar

Sample size: 4.3 x 1.2 x 1.0 cm

Ex. Marty Lewadny Collection

Origin: Cerro de la Concordia, Piedra Parada, Vera Cruz, Mexico

Sample size: 6.1 x 5.3 x 1.7 cm (top/2nd row), 6.3 x 4.8 x 2.2 cm (3rd/bottom row)

Origin: Jacksons Crossroad, Wilkes County, Georgia, U.S.A.

Sample size: 5.4 x 5.3 x 4.3 cm

Photo courtesy of:

Rob Lavinsky

A large single terminated amethyst crystal. The prism faces are crude but show nice banding. The pyramidal termination is almost reddish brown due to hematite.

Origin: Lyme Park, Bryanston, Johanesburg, South Africa

Sample size: 6.7 x 4.2 x 8.6 cm

Photo courtesy of:

Dan Weinrich

Dealer in fine mineral specimens

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Physical, chemical and crystallographic description

Optical properties/Thin sections

SEM images

TEM images

vibrational spectra description

IR spectra

N-IR spectra

F-IR spectra

IES spectra