fossil
Land Snail Shell
Gastropoda (Calcium Carbonate, CaCO3)
Hardness: 3-4 (Mohs), Color: White to tan, Luster: Dull/Pearlaceous, Crystal Structure: Orthorhombic/Hexagonal, Specific Gravity: 2.7-2.9
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Physical properties
Hardness: 3-4 (Mohs), Color: White to tan, Luster: Dull/Pearlaceous, Crystal Structure: Orthorhombic/Hexagonal, Specific Gravity: 2.7-2.9
Formation & geological history
Biogenic formation involving the secretion of calcium carbonate by a mollusk mantle; common in terrestrial environments during the Holocene epoch.
Uses & applications
Scientific study of paleoenvironments, decorative crafts, and contributing to soil calcium levels upon decomposition.
Geological facts
Snail shells are primarily made of aragonite or calcite. While this is a modern biological specimen, many similar shells are found as subfossils in limestone deposits.
Field identification & locations
Identified by its spiral (helical) structure and hollow interior. Common in gardens, forests, and damp limestone-rich areas.
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