Danburite from Charcas, San Luis Potosi, Mexico

No. 533: Alice's Square Cut: 6.36 ct., 10.0 x 10.0 x 8.5 mm, VVS, faceted by R. Drummond, $127.20 Sold


Shown above is a collector's gem; danburite. The gem material from Charcas is normally light pink to near colorless and has excellent clarity. Danburite has good hardness (Mohs 7-7.5) and a refractive index somewhat greater than that of quartz (1.63 vs. 1.54 for quartz). When cut properly, danburite makes exceptionally flashy gemstones. The above cut, a design by Robert Drummond, delivers great light return and scintillation. This large gemstone would make a great addition to a collection or an absolutely gorgeous pendant.

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