49^€

Raw Aragonite Crystals from Morocco

Weight 835 gr

Raw aragonite mineralogical specimen from Morocco, featuring a beautiful fibrous texture and natural reflections. Perfect for those curious about Earth sciences. Weight: 835 g.

CHARACTERISTICS
Weight	835 gr
Size	130x100x60 mm
Reference	250917784
Mineral	mineral Aragonite
Category	Rocks and minerals
Group	Crystallization
Country	Morocco

Contractual photos showing the object you will receive when ordering. the photos were taken in order to obtain the most faithful possible rendering of the object.
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Formula CaCO₃] ARAGONITE
O	Oxygen	Other no metal	47.9%
Ca	Calcium	Alkaline earth metal	40.1%
C	Carbon	Other no metal	12%
			100%
Aragonite is a mineral of the carbonate class, specifically a calcium carbonate (CaCO3), just like calcite. Its crystal structure is orthorhombic, different from that of calcite, making it a polymorphic form of the latter. Aragonite is denser and harder than calcite. It generally appears in the form of acicular crystals, radial masses or coralloid deposits. Its color varies from white to brown, including gray, green, blue and purple. Aragonite is a common mineral in low-temperature calcite deposits, such as stalactitic concretions in caves, and is also present in the shells of many marine organisms. Because of its tendency to change to calcite over time, aragonite is rarely preserved in the geologic record.

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