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Lot 172: Sand Calcite Concretion Chalcopanite

2026-03-15T15:00:00Z

Start price: $30

Estimated price: $200 - $600

Lot 172:

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Sand Calcite Concretion Chalcopanite

The auction will start in __ days and __ hours __ minutes

Start price: $30

Estimated price: $200 - $600

Description

Mineral formation often called bubble calcite due to its botryoidal or spherical shape. Composed of sand aggregates bound together by measures 6 3/4″ x 4.5 . See pictures, no refunds given.