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374 Our gemstone department offers a large variety of top quality stones in all shapes and sizes to satisfy every taste. Call for details.ROUNDSTYLE #: GQ-[SIZE CODE]-RDF-[QUALITY]SIZE CODE MM SIZE AA0400 4.00mm $6.330500 5.00mm $12.060600 6.00mm $13.770700 7.00mm $19.620800 8.00mm $24.600900 9.00mm $30.481000 10.00mm $49.021100 11.00mm $61.411200 12.00mm $86.58STYLE #: GQ-[SIZE CODE]-RDX-[QUALITY]SIZE CODE MM SIZE AA0400 4.00mm $6.330500 5.00mm $12.060600 6.00mm $14.430700 7.00mm $20.550800 8.00mm $28.200900 9.00mm $38.761000 10.00mm $57.661200 12.00mm $103.98AAROUND CHECKERBOARDAASPECIES: QuartzHARDNESS: 7TOUGHNESS: GoodENHANCEMENT: H, RREFRACTIVE INDEX: 1.544-1.553OPTIC CHARACTER: DRSPECIFIC GRAVITY: 2.66PHENOMENA: NoneQUALITY:AA: Light, translucent greenREACTIONSUltrasonic: Usually safeSteamer: RiskyHeat: Poor; color change may occur with heat, may fracture under abrupt temperature changesChemicals: Hydrofluoric acid, ammonium fluorideSOURCES: Brazil, Argentina, Madagascar, Namibia, Russia, France, Scotland and SpainCARE & HANDLINGAvoid prolonged exposure to sunlight or heat as it may cause the color to fade. May be cleaned using commercially available jewelry cleaners or warm soap and water, rinse with warm water and dry with a soft clean cloth. Avoid rubbing on rough surfaces that may cause scratches or harsh blows that may fracture or chip the stone.HISTORY: Green quartz which is also known as prasiolite goes through a heat-treating process to achieve its color. Its name means leek stone in Greek as a reference to the pale green color. As a healing stone, it is said that it can help clear and remove toxins in the body.STYLE #: GQ-[SIZE CODE]-SQP-[QUALITY]SIZE CODE MM SIZE AA0400 4.00mm $8.370500 5.00mm $15.150600 6.00mm $18.300700 7.00mm $22.560800 8.00mm $35.701000 10.00mm $56.071200 12.00mm $139.65STYLE #: GQ-[SIZE CODE]-SQX-[QUALITY]SIZE CODE MM SIZE AA0400 4.00mm $8.370500 5.00mm $15.360600 6.00mm $18.780700 7.00mm $24.960800 8.00mm $43.98PRINCESS SQUARE CHECKERBOARDAA AALOOSE STONES | GREEN QUARTZGreen Quartz