Reference: CUA14F
Product name: Natural White Quartz, Shape: Round cabochon, Color: White, Stone dimensions mm: 7.90 - 8.00, Stone weight carat: 2.10 - 2.35, Stone clarity: No Visible Inclusions
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Quartz (silicon dioxide, also known by the scientific name α-Quartz) is a mineral widespread in the earth's crust, which has the chemical composition SiO2 crystallizing in the trigonal system.
In its pure state, quartz is colorless, impurities in the crystal determine the color of the mineral. Quartz frequently crystallizes in voids in rocks called geodes. The cleavage is non-existent in the crack having a pearly color, it has the value 7 on the Mohs hardness scale.
Before the discovery of its piezoelectric property, quartz was used as a stone in jewelry.
Pure quartz crystals are colorless, transparent, due to inclusions of gases or liquids, the crystal becomes milky, similarly, impurities cause the color to change, or through irradiation, an ionization phenomenon is produced that changes the color of the crystal.
The most important deposits of white quartz are found in Brazil, Zambia, Pakistan, Sri Lanka, Madagascar.
Data sheet
Product name: Natural White Quartz, Shape: Round cabochon, Color: White, Stone dimensions mm: 7.90 - 8.00, Stone weight carat: 2.10 - 2.35, Stone clarity: No Visible Inclusions
Stone type: Natural Amethyst, Shape: Round, Color: Mauve, Weight carat: 0.20 - 0.30, Treatment: Untreated, Additional details: Stones colors doesn't match, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 3.70 - 4.20, Sale information: Price by piece
Stone type: Natural Amethyst, Shape: Oval, Colour: Purple, Stone size mm: 9.30x7.00 - 9.30x7.20, Weight carat: 3.50, Stone Clarity: Eye clean, Lot details: Pair for earrings
Stone type: Natural Kunzite, Shape: Emerald, Colour: Pink, Stone size mm: 13.50x10.70x9.30, Weight carat: 11.65, Clarity: Slightly visible inclusions
Product Name: Natural Citrine, Shape: Checkerboard Cuhion, Color: Orange Yellow, Stone Size: 14.00x10.10 mm, Weight: 5.10 Carats, Stone Clarity: No Visible Inclusions, Treatment: Heat Treated, Origin: Brazil
Stone type: Natural Citrine, Shape: Princess, Color: Yellow, Weight carat: 0.80, Treatment: Improvement treatment, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 12.10x12.00, Sale information: Price by piece
Stone type: Natural Amethyst, Shape: Emerald, Color: Mauve, Weight carat: 0.50, Treatment: Untreated, Source: Brazil, Stone Clarity: Eye clean, Stone size mm: 5.80x4.00 - 6.20x4.10, Sale information: Price by piece
Product name: Natural Amethyst, Shape: Round, Color: Purple, Stone dimensions mm: 3.90- 4.10, Stone Carat Weight: 0.20 - 0.30, Stone clarity: No visible inclusions, Treatment: Untreated, Origin: Zambia
Stone type: Natural Garnet, Shape: Trillion, Color: Red-burgundy, Weight carat: 2.05, Treatment: Untreated, Source: Mozambique, Stone Clarity: Eye clean, Stone size mm: 8.00x8.00, Sale information: Price by piece
Product name: Ametrine Natural, Shape: Cushion, Color: Bicolor Yellow-Purple, Stone size: 12.60x10.20 mm, Weight: 5.95 carats, Stone clarity: No visible inclusions, Origin: Bolivia
