Rock Identifier
Baroque Pearl (Biogenic Calcium Carbonate (Aragonite/Conchiolin)) — mineral
mineral

Baroque Pearl

Biogenic Calcium Carbonate (Aragonite/Conchiolin)

Hardness: 2.5-4.5; Color: Iridescent white/cream; Luster: Pearly (orient); Structure: Amorphous/microcrystalline layers; Specific Gravity: 2.60-2.85

Hardness
2
Color
Iridescent white/cream
Luster
Pearly (orient)
Identified More mineral

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Physical properties

Hardness: 2.5-4.5; Color: Iridescent white/cream; Luster: Pearly (orient); Structure: Amorphous/microcrystalline layers; Specific Gravity: 2.60-2.85

Formation & geological history

Formed organically within the soft tissue of a living shelled mollusk (freshwater or saltwater) as a defense mechanism against irritants.

Uses & applications

Primary use in fine jewelry, specifically for necklaces, earrings, and pendants; also used in traditional medicine (pearl powder) and cosmetics.

Geological facts

Unlike traditional spherical pearls, 'baroque' refers to their unique, non-symmetrical, and irregular shapes. No two baroque pearls are exactly alike.

Field identification & locations

Identify by its non-spherical shape and characteristic orient/luster. Found in mollusk farms or wild oysters/mussels in oceans and rivers.