Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co.,
Missouri, U.S.A.
Sample size: 6.5 x 5 x 8 cm, crystal 7.5 cm in length
Origin: Annabel Lee mine, Harris Creek district, ~7 km north of Cave in Rock,
Hardin Co., Illinois, U.S.A.
Sample size: 3 x 2 x 3.2 cm
Origin: Minerva mine #1, Cave in Rock district, ~3 km north of Cave in Rock,
Hardin Co., Illinois, U.S.A.
Sample size: 3 x 3.5 x 2.5 cm
Calcite on
dolomite
Origin: Corydon Crushed Stone quarry, 2 miles NW of Corydon, Harrison Co.,
Indiana, U.S.A.
Sample size: 6 x 5 x 4.5 cm
Origin: Meshberger Stone Inc. quarry, Columbus, Bartholomew Co., Indiana,
U.S.A.
Sample size: 2.5 x 2 x 4.2 cm
Origin: Stoneco, Auglaize quarry, 2 miles SE of Junction, Paulding Co., Ohio,
U.S.A.
Sample size: 6.5 x 5 x 4 cm
Origin: Limonite Vein, Block 0042, 1530 level, Mine 371 Hartenstein, Saxony,
Germany
Sample size: 3.5 x 2.5 x 4.5 cm
Origin: Mina Potosi, Santa Eulalia, Chihuahua, Mexico
Sample size: 18 x 25 x 18 mm
Calcit partially covered with limonite and clean second generation calcite
crystals on the surface
Origin: Wayne Co., Missouri, U.S.A.
Sample size: 8 x 9 x 5.5 cm
Origin: Milliken (Sweetwater) mine, Viburnum Trend, Reynolds Co., Missouri,
U.S.A.
Sample size: 7 x 3 x 4 cm
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