Perlstrang, SW-ZP, 10,0-11,0 mm, flieder, semirund, AA+ - 1 Stück
available, in stock
- Color: white, pink, silver -, cream -, gold-colored, green, blue,black;
Stroke color: white;
Mohs hardness: 21/2-41/2;
Density: 2.60-2.85;
Fissionability: none;
Fracture: uneven;
Crystals: prismatic, micro-crystalline;
Chemism: calcium-carbonate + organic substance + water;
Transparency: translucent, opaque;
Refraction: 1.52-1.66, black pearls 1.53-1.69;
Birefringence: - 0.156;
Dispersion: none;
Fluorescence: marine pearls weak, natural black pearls red to reddish, river pearls strong pale-green.
(also cultivated pearls, fresh water and sea water pearls)
Strands
Quality AA+
approx. 40 cm
lilac
semi-round
ø 10.0-11.0 mm
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