Serandite Value, Price, and Jewelry Information
This essentially is another one locality mineral, where very small gems have been cut from an occasional crystal fragment that is not always even transparent.
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|Crystallography||Triclinic. Crystals prismatic in appearance, stubby, well formed.|
|Colors||Rose red, pinkish, salmon red.|
|Luster||Vitreous, pearly on cleavage.|
|Cleavage||Perfect 1 direction|
|Stone Sizes||Cut serandite over 2-3 carats is very rare. In fact, cut gems of any size are very rare. Cutting material comes only from Quebec, and even large crystals seldom have facetable areas. USNM: 2+ (Quebec). Private Collection: 5+ (flawed). National Museums of Canada (Ottawa, Ontario): 18.65, 2.8 (translucent).|
|Transparency||Transparent to translucent.|
|Absorption Spectrum||Not diagnostic.|
|Optics||α = 1.660; β = 1.664; γ = 1.688. Biaxial (+); 2V= 35°.|
SERANDITE Series to Pectolite.
Occurrence: In nepheline syenite rocks at Mt. Ste. Hilaire, Quebec, Canada. Also known from Los Islands, Guinea.
Comments: This essentially is another one locality mineral, where very small gems have been cut from an occasional crystal fragment that is not always even transparent.
Name: For J. M. Sérand, West African mineral collector.