Black Druzy Quartz Oval Cabochons, A-Grade

The active play of light of this A-grade, calibrated oval black druzy quartz cabochon draws the eye and is coated with titanium to bring out a consistent iridescence. Black druzy is a fit for jewelry of all types, in designs that range from simple elegance to gothic mystery. Set it in a simple pendant mounting or combine it with complementary-color gemstones to create more complex necklace designs and matched sets, including rings and bracelets. This gem is particuarly well suited to white metal settings. The term 'druzy' (or drusy) refers to tiny quartz crystals that are formed inside or on the surface of other gemstones when water containing silica particles is forced into a fissure or porous area of a rock and rapidly cools there. The clear crystals often form on top of previously deposited minerals, which give the particles their color. The crystals create a glittering effect as they reflect light from their many facets. Druzy is inexpensive and easy to cut into a variety of shapes—offering a great deal of color and light-play for a very affordable cost. Rio Grande's calibrated cabochons are calibrated to fit Rio Grande's corresponding size bezel cups, so you know the size you buy will fit properly every single time.

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Gemstone type: Druzy quartz
Stone shape: Oval
Stone size: 10 x 8mm
Stone type: Natural
Color: Black
Enhancement: Dyed (D)
Grade: A
Mohs hardness: 7
Refractive index: 1.544–1.553
Specific gravity: 2.69–2.72
Brand: AGTA
Cutting center: India