Aragonite Polished Freeform Mineral Rock w/Information Card Approx. 1 1/4-1 1/2 Inch
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Aragonite Polished Freeform Mineral Rock w/Information Card Approx. 1 1/4-1 1/2 Inch

$3.82

Aragonite Polished Freeform Mineral Rock w/Information Card Approx. 1 1/4-1 1/2 Inch

10 in stock

Description

Aragonite Polished Freeform Mineral Rock w/Information Card Approx. 1 1/4-1 1/2 Inch

  Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3 (the other form being the mineral calcite).  It is formed by biological and physical processes, including precipitation from marine and freshwater environments.

Aragonite’s crystal lattice differs from that of calcite, resulting in a different crystal shape, an orthorhombic system with acicular crystals. Repeated twinning results in pseudo-hexagonal forms.  Aragonite may be columnar or fibrous, occasionally in branching stalactitic forms called flos-ferri (“flowers of iron”) from their association with the ores at the Carinthian iron mines.  Aragonite is thermodynamically unstable at standard temperature and pressure, and tends to alter to calcite on scales of 107 to 108 years. The mineral vaterite, also known as μ-CaCO3, is another phase of calcium carbonate that is metastable at ambient conditions typical of Earth’s surface, and decomposes even more readily than aragonite.

Picture is representative of the specimen you will receive.  Each rock is unique and will vary in shape, size and appearance.  No two rocks will be exactly alike.


Quantity: 1 Aragonite Polished Rock
 
Origin: Guadalajara, Spain
 
Additional Information
Weight 0.059 kg
Manufacturer

Squire Boone Village

UPC

'009138005413

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