Calcite

Calcite with galena

Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.

Sample size: 3.5 x 2.5 x 4.5 cm (top), yellow calcite crystals to 3 cm in length on matrix with octahedral galena crystals to 1 cm (2nd row), 8 x 6 x 15 cm (3rd row), 15.5 x 5.5 x 9 cm (4th row), 20 x 20 x 24 mm (5th row), 15 cm in height (bottom)

Origin: Central Boron Pit, Dal'negorsk, Primorskiy Kray, Russia

Sample size: 31 mm in height

Origin: Stope 64W95Cu, Pillar 4358, Fletcher mine, Viburnum Trend, Reynolds Co., Missouri, U.S.A.

Sample size: 6.5 cm in height

Calcite on quartz

Origin: Mina Los Remedios, Taxco, Guerrero, Mexico

Sample size: 33 x 22 x 22 mm (left), 30 x 27 x 22 mm (right)

Calcite with hemimorphite

Origin: Santa Eulalia, Chihuahua, Mexico

Sample size: 5 x 3.5 x 2.2 cm

Origin: Pony Express mine, Ouray Co., Colorado, U.S.A.

Sample size: 5.5 x 4 x 2.5 cm

Photo courtesy of:

Dan Weinrich

Dealer in fine mineral specimens

Calcite on sphalerite

Origin: Elmwood Mine, Smith County, Tennessee, U.S.A.

Sample size: 6.3 x 4.5 x 3.5 cm

Photo courtesy of:

John Veevaert, Trinity Mineral Co

Trinityminerals.com

Origin: Shullsberg, Lafeyette Co., Wisconsin, U.S.A.

Ex. Marty Zinn collection

Sample size: 6 x 4 x 3.2 cm

Photo courtesy of:

Rob Lavinsky

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Physical, chemical and crystallographic description

Optical properties/Thin sections

TEM images

vibrational spectra description

IR spectra

N-IR spectra

F-IR spectra

IES spectra