CUBIC ZIRCONIA & GEMS

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1 PRODUCT CATALOGUE CUBIC ZIRCONIA & GEMS PRECIOSA COMPONENTS

3 PRODUCT CATALOGUE CUBIC ZIRCONIA & GEMS

CUBIC ZIRCONIA & GEMS Preciosa Cubic Zirconia & Gems are cut exclusively from synthetic crystals of the highest quality controlle by moern spectral methos.

5 CUBIC ZIRCONIA & GEMS Preciosa Cubic Zirconia & Gems are cut exclusively from synthetic crystals of the highest quality controlle by moern spectral methos. We can thus guarantee the maximum optical purity of the final prouct. Using extremely precise cutting an polishing machines, we are able to cut roun stones from cubic zirconia in sizes ranging from 0.5 to 8.0. Our offer inclues a wie an an impressive range of colours, shapes an cuts. Preciosa supplies roun an fancy shapes from ifferent materials such as Cubic Zirconia, Synthetic Spinel, Synthetic Corunum an Nanogemstones. Our assortment complete genuine black spinel an marcasite stones. The outstaning feature of these exclusive synthetic materials is their exceptional stability which is important for all jewellery setting techniques, incluing the wax casting. The Star Effect This optical phenomenon appears insie each Preciosa Cubic Zirconia Stone, testifying to the superior quality of the stone an its absolutely precise cut. CUBIC ZIRCONIA & GEMS

6 Cubic Zirconia & Gems SHAPES OVERVIEW 6 PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

7 Shapes overview Roun Diamon Cut Marcasite Rose Cut Roun Brilliant Cut Marcasite Square Cut Square Princess Cut Marcasite Baguette Cut Baguette Princess Cut Rose Diamon Cut Baguette Step Cut Tapere Baguette Cut Marquise Diamon Cut Pear Diamon Cut Oval Diamon Cut Octagon Step Cut Triangle Step Cut 100 Facete Cut Lotus Cut CUBIC ZIRCONIA & GEMS 7

$ar qu ise Ba gu et te St ep Ta pe re Ba gu et te Ba gu et te Sq ua re Ro un Pr in ce ss Chemical composition ZrO2+Y2O3 Cubic structure Harness 8.5 Mohs Density 5.9 g/cm3 Refractive inex 2.$

8 SHAPES AND COLOURS Cubic Zirconia & Gems CUBIC ZIRCONIA Shapes an Colours Cu t* Di am on Ro se Di am on Pe ar Di am on Ov al Di am on Oc ta go n St ep Tr ia ng le St ep 10 0F ac et e Cu t* Lo tu s* M ar qu ise Ba gu et te St ep Ta pe re Ba gu et te Ba gu et te Sq ua re Ro un Pr in ce ss Chemical composition ZrO2+Y2O3 Cubic structure Harness 8.5 Mohs Density 5.9 g/cm3 Refractive inex 2.17 Heat Resistance up to 600 C / 1,112 F (Black Cubic Zirconia up to 300 C / 572 F) Pr in ce ss Cubic Zirconia White Gol Orange Pink Purple Amethyst Rhoolite Lavener Light Periot Periot Olive Champagne Brown Black NOTE: * Only on request For our current offer an the availability of goos, please visit our website at or call Preciosa Customer Centre. 8 PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

9 Cubic Zirconia & Gems SHAPES AND COLOURS CUBIC ZIRCONIA H.Y.T. COLOURS Cubic Zirconia H.Y.T. Colours, Coate Stones, Coloure Stones H. Y. T. Colours Coate Stones Coloure Stones Army Olive Aurora Borealis Blue Brown Tobacco Bermua Blue Brown Orange Fire Heliotrope Olive Ruby Rose Chrome Ruby Salmon Chrome Labraor Scarlet Opaque Shiny Champagne Marea White Opaque Yellow Spark Vitrail Meium Volcano Cubic Zirconia Foiling Foiling Silver Foiling* Gol Foiling* NOTE: * Available for all colours an materials CUBIC ZIRCONIA & GEMS 9

$ce ss Chemical composition Al2O3, MgO, TiO2, SiO2 Glass-ceramic structure Harness 6.5 7 Mohs Density 2.7 3.2 g/cm3 Refractive inex 1.5 1.$

10 SHAPES AND COLOURS Cubic Zirconia & Gems Tr ia ng le St ep St ep Oc ta go n Ov al Di am on Pe ar Di am on Di am on M ar qu ise Ba gu et te Ta pe re Ba gu et te Ba gu et te Sq ua re Ro un St ep Pr in ce ss Chemical composition Al2O3, MgO, TiO2, SiO2 Glass-ceramic structure Harness Mohs Density g/cm3 Refractive inex Heat Resistance up to 900 C / 1,652 F Material exclusively manufacture by Formica Co., Lt. sole proucer in the worl Pr in ce ss Nanogems NANOGEMS, SYNTHETIC SPINEL Emeral Green Black Sapphire Blue Grey Night Blue Periot NEW Citrine NEW Topaz Swiss Blue NEW Synthetic Spinel on te Tr ia ng le St St n go ta Oc am Di al Ov ep ep on on Pe ar Di am Di M ar qu ise Ba e er am et gu ep St Ta p te et gu Ba te et gu Ba re ua Sq Ro un Pr in Pr in ce ce ss ss Chemical composition MgAl2O4 Cubic structure Harness 8 Mohs Density 3.6 g/cm3 Refractive inex Heat Resistance up to 1,100 C / 2,012 F Aquamarine Meium Blue Dark Blue 10 PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

11 Cubic Zirconia & Gems SHAPES AND COLOURS SYNTHETIC CORUNDUM, GENUINE SPINEL, MARCASITE Synthetic Corunum Chemical composition Al 2 O 3 Trigonal structure Harness 9 Mohs Density 3.9 g/cm 3 Refractive inex 1.7 Heat Resistance up to 1,700 C / 3,092 F Roun * Square Princess * Baguette Princess * Baguette Step * Tapere Baguette * Marquise Diamon * Pear Diamon * Oval Diamon * Octagon Step * Triangle Step * Ruby Dark Ruby Meium Genuine Spinel Chemical composition MgO(Fe, Al) 2 O 3 Cubic structure Harness Mohs Density 3.8 g/cm 3 Heat Resistance up to 1,200 C / 2,192 F Roun * Square Princess * Baguette Princess * Baguette Step * Tapere Baguette * Marquise Diamon * Pear Diamon * Oval Diamon * Octagon Step * Triangle Step * Genuine Black Marcasite Chemical composition FeS 2 (pyrite) Cubic structure Harness Mohs Density g/cm 3 Heat Resistance up to 200 C Rose Square * Baguette * Marcasite NOTE: * Only on request For our current offer an the availability of goos, please visit our website at or call Preciosa Customer Centre. CUBIC ZIRCONIA & GEMS 11

12 Cubic Zirconia & Gems Important information for hanling Cubic Zirconia, Synthetic stones an Gemstones Important information for hanling Cubic Zirconia, Synthetic stones an Gemstones MATERIAL / COLOUR TREATMENT Potassium hyroxie 10% * Sulphuric aci 96% 80 C * Citric aci * Lost-wax casting * Vitrex pickle * Sulphuric aci pickle * Blackening * Gol coloring * Soft Solering * Silver Coating * Gol plating * Rhoium Coating Machine grining an polishing Har solering * Manual grining an polishing Han-mounting Boning CUBIC ZIRCONIA White Gol Orange Pink Purple Amethyst Rhoolite Lavener Light Periot Periot Olive Champagne Brown Black TREATED SURFACE H.Y.T. Colours Silver an Gol Foiling Coate + Coloure Stones LEGEND: Stable uner all normal use conitions recoene for CZ jewellery (it is necessary to observe some of the rules of stanar technical processes). Suitable If the stanar technological processes are kept, stones remain their quality. Stones are use in this way without problems, but it is always important to try the proper way of using the stones. Unsuitable without guarantee. Preciosa is not responsible for any changes cause by improper hanling of the stones. 12 PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

13 MATERIAL / COLOUR TREATMENT Potassium hyroxie 10% * Sulphuric aci 96% 80 C * Citric aci * Vitrex pickle * Lost-wax casting * Sulphuric aci pickle * Blackening * Gol coloring * Soft Solering * Silver Coating * Gol plating * Rhoium Coating Machine grining an polishing Har solering * Manual grining an polishing Han-mounting Boning NANOGEMS Emeral Green Black Sapphire Blue Grey Night Blue Periot Citrine Topaz Swiss Blue SYNTHETIC SPINEL Aquamarine Meium Blue Dark Blue SYNTHETIC CORUNDUM Ruby Meium Ruby Dark GENUINE GEMSTONES Genuine Black Marcasite *) TREATMENT DESCRIPTION: Potassium hyroxie 10% KOH. Sulphuric aci 96% 80 C H 2 SO 4. Citric aci C 6 H 8 O 7. Lost-wax casting Casting temperature 1,060 C Wax burnout: 2 hours at 700 C. Vitrex pickle Vol % NaHCO 3 10 minutes at 70 C Rinse with H 2 O. Sulphuric aci pickle Vol % H 2 SO 4 30 minutes at 60 C Rinse with H 2 O. Blackening /3 K 2 CO 3, 1/3 S, 1/3 H 2 O Stones expose to filtrate for 3 minutes at 50 C Rinse with H 2 O. Gol colouring Colour bath mix of 17.3% NaCl 23% KNO 3, 22.6% H 2 O, 25.6% HCl Boile in solution for 3 minutes Rinse with H 2 O. Soft solering Solering temperature 200 C. Silver coating Composition of bath K[Ag(CN) 2 ], KCN Chemical aitives generating the brilliancy. Stones expose to ipping in the bath for 3.5 minutes at the temperature of 26 C in circular movement of silvere goos. Gol plating Composition of bath K[Au(CN) 2 ], KCN, Cu, P. Stones expose to ipping in the bath for 30 secons to 4 minutes at the temperature from 25 C to 55 C in circular movement of gile goos. Har solering Solering temperature 600 C. CUBIC ZIRCONIA & GEMS 13

14 Cubic Zirconia & Gems an weight an weight Roun Cut Size White , , ,508 1, , , ,274 1,000 Roun Diamon Cut Size White , , ,596 1, , , ,170 1, , , ,829 1, , ,552 1, , ,336 1, , ,157 1, , , , , , , , , , ,000 Roun Brilliant Cut Size White , , , , , , , , , , , , PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

15 LEGEND:.. Stanar assortment.. A minimal quantity is require, for more etails contact Preciosa sales office Synthetic Corunum Genuine Spinel H.Y.T. / Coate Stones / Coloure Stones / Foiling Size Synthetic Corunum Genuine Spinel H.Y.T. / Coate Stones / Coloure Stones / Foiling Size , , , , , , , , , , , ,000 Synthetic Corunum Genuine Spinel H.Y.T. / Coate Stones / Coloure Stones / Foiling Size , , , , , , , , , , , , CUBIC ZIRCONIA & GEMS 15

16 Cubic Zirconia & Gems an weight Size White PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

17 LEGEND:.. Stanar assortment.. A minimal quantity is require, for more etails contact Preciosa sales office Synthetic Corunum Genuine Spinel H.Y.T. / Coate Stones / Coloure Stones / Foiling Size CUBIC ZIRCONIA & GEMS 17

18 Cubic Zirconia & Gems an weight Square Princess Cut Size White Baguette Princess Cut Size White Baguette Step Cut Size White PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

19 LEGEND:.. Stanar assortment.. A minimal quantity is require, for more etails contact Preciosa sales office Tapere Baguette Cut Size White Marquise Diamon Cut Size White Other colours Pear Diamon Cut Size White Oval Diamon Cut Size White CUBIC ZIRCONIA & GEMS 19

20 Cubic Zirconia & Gems an weight Octagon Step Cut Size White Triangle Step Cut Size White Lotus Cut 100 Facete Cut Cubic Zirconia Cubic Zirconia Size White * Size White * Rose Diamon Cut Cubic Zirconia Size White * PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

21 LEGEND:.. Stanar assortment.. A minimal quantity is require, for more etails contact Preciosa sales office Marcasite Conversion Table of Sizes Marcasite Square Cut (First quality) Size Size tolerance Size Size pp , , , , , , , , , ,000 Marcasite Baguette Cut (First quality) Size Marcasite Rose Cut (First quality) Size pp ,060 2, , , , , , , , , , , , , , , , , ,000 *) AVAILABLE COLOURS: Cubic Zirconia... Gol, Orange, Pink, Purple, Amethyst, Rhoolite, Lavener, Light Periot, Periot, Olive, Champagne, Brown, Black Nanogems... Emeral Green, Black, Sapphire Blue, Grey Night Blue, Periot, Citrine, Topaz Swiss Blue Synthetic Spinel... Aquamarine, Meium Blue, Dark Blue Synthetic Corunum... Ruby Dark, Ruby Meium Genuine Spinel... Genuine Black H. Y. T.... Army Olive, Brown Tobacco, Orange Fire, Ruby Rose, Salmon Chrome, Shiny Champagne, Yellow Spark Coate Stones... Aurora Borealis, Bermua Blue, Heliotrope, Chrome, Labraor, Marea, Vitrail Meium, Volcano Coloure Stones... Blue, Brown, Olive, Ruby, Scarlet Opaque, White Opaque Foiling... Silver Foiling, Gol Foiling **) AVAILABLE COLOURS: Cubic Zirconia... Gol, Orange, Pink, Purple CUBIC ZIRCONIA & GEMS 21

Cubic Zirconia & Gems Packaging Packaging The packaging is esigne to comply with the requirements of

mae of rigi plastic to ensure safe transport pair of patente re-lockable pins bar coe for easy tracing

22 Cubic Zirconia & Gems Packaging Packaging The packaging is esigne to comply with the requirements of the safest possible transport, to optimise costs, an at the same time to ensure easy hanling. Each packaging is provie with Preciosa logo, contents ientification an a bar coe for easier tracking of the consignment. Thus, the customer can safely ientify high-quality goos by Preciosa. mae of rigi plastic to ensure safe transport pair of patente re-lockable pins bar coe for easy tracing seale to guarantee origin of the stones easy hanling Loose stones Sieve plate 22 PRECIOSA COMPONENTS CUBIC ZIRCONIA & GEMS CATALOGUE

23 Coloure stones transparent bottom enables quick visual control Box CUBIC ZIRCONIA & GEMS 23

24 Preciosa Customer Centre Opletalova Jablonec na Nisou Czech Republic T F E info@preciosa.com Preciosa, a. s. July 2013 SAP

FASHION JEWELLERY STONES

FASHION JEWELLERY STONES Preciosa machine cut Fashion Jewellery Stones are available in a wide range of colours and metal coatings. Besides having traditional shades, we also have colours that are exclusively