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White grid lines represent 1/2 inch increments.

Sinter, aragonite collected in old workings of the Mansfeld copper mining district, Hettstedt, Germany. There is a coating of aragonite over the entire specimen except at the tips.Approximately 5 1/4 inches X 2 1/2 inches X 1 1/2 inch. $75.00, item #05B-4.

Sinter, aragonite collected in old workings of the Mansfeld copper mining district, Hettstedt, Germany. Approximately 4 1/4 inches X 3 1/4 inches X 1 3/4 inch. $50.00, item #05I-1.

Aragonite with traces of copper causing a light blue color. From Ramsbeck, Germany, approximately 5 3/4 inches X 4 1/2 inches X 1 3/4 inch. $80.00, item #05I-2.

The following are aragonite specimens collected from Carlsbad Caverns, New Mexico. They were collected years ago when the park service expanded trails inside the caverns and auctioned to raise funds.

Approximately 7 1/2 inches X 5 3/4 inches X 4 1/4 inches. $75.00, item #02AU-7.

Approximately 8 1/2 inches X 5 1/2 inches X 5 inches. $100.00, item #02AU-8.

Approximately 5 1/2 inches X 4 inches X 5 1/2 inches. $75.00, item #02AU-9.

Approximately 3 3/8 inches X 2 7/8 inches X 2 3/4 inches. $10.00 item #02AU-2.

Approximately 3 1/4 inches X 2 1/2 inches X 1 7/8 inch. $10.00, item #02AU-3.

Approximately 3 1/2 inches X 3 1/2 inches X 2 1/4 inches. $20.00 item #02AU-4.

Approximately 2 3/4 inches X 2 1/4 inches X 1 1/4 inch. $5.00, item #02AU-5.

Approximately 3 inches X 3 1/8 inches X 2 1/4 inches. $20.00, item #02AU-6.