Réf : BL971
Polished Green Aragonite Egg - Morocco - polished minerals 6.4 cm / 223g / BL971
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ARAGONITE belongs to the carbonate group and contains calcium and carbon. It is a crystallized form of limestone, a limestone carbonate. Its chemical formula is CaCO 3 .
ARAGONITE can have radiating, prismatic, dendritic, or acicular crystals. The ball shape is a particular arrangement of prismatic crystals.
The density of Aragonite is 2.9 (1 for water) and its hardness is greater than 3.5/10 on the Mohs scale (10 for diamond). The line on the porcelain is white.
Its color is most often brown, but it is also found colorless, green, blue or white.
Its name comes from the city of Aragon in Spain.
Unique piece - Contractual photos
Origin: polished minerals from Morocco
Dimensions: 6.4 x 5 cm
Weight: 223 g
