8.5 RING SIZE OPAL+TANZANITE SILVER-FACTORY DIRECT [SOJ3564]

Item Information

Dimensions (mm) 10 x 8 x 4mm
Weight (carats) 1 carats

 

 SOLID OPAL AND TANZANITE RING

FACTORY DIRECT

This   is a ring with a natural solid crystal opal from Lightning Ridge surrounded by 6 Tazanites.  The Tanzanite   stones i bought when i   was at the Arusha gem show in Tanzania  recently .

This stone has been confirmed by our in house gemologist.{AIGS}

                                The workmanship and quality is excellent.

 Natural solid stone

Body base tone N7

Crystal transulant

 Sterling silver

 Stamped 925

 Amount of silver used gramms3.50  app

Size of opal 10X8  mm app

Size of Tanzanite 2 mm app

Ring size[USA] :8.5 

Opal Body Tone Scale as per recommendation by the Australian Opal and Gem Industry Association Ltd.

 

 

More Information

Tanzanite     is an extraordinary gemstone. It occurs in only one place worldwide     -Tanzair africa. Its blue, surrounded by a fine hint of purple, is a     wonderful colour. Thanks to its unusual aura and the help of the New   York jeweller’s Tiffany, it has rapidly become one of the most   coveted   gemstones in the world.

Tanzanite     is a blue variety of the gemstone zoisite. It consists of calcium     aluminium silicate and is not particularly hard, having a value of 6.5   to 7 on the Mohs scale. For that reason, it should always be worn   carefully and never placed in an ultrasonic bath for cleaning or brought   into contact with acids.

The   deep   blue of the tanzanite is fantastic, and runs from ultramarine   blue to   light violet-blue. The most coveted colour is a blue   surrounded by a   delicate hint of purple, which has a particularly   wonderful effect in   sizes of over 10 carats. The well developed   polychromaticity of the   tanzanite is typical: depending on the angle   from which you look at it,  the stone may appear blue, purple or   brownish-yellow. Having said that,  most raw crystals are somewhat   spoiled by a brownish-yellow component,  though it can be made to   disappear by the cutter if he heats the stone   carefully in an oven to   approximately 500°. During the procedure he must pay careful   attention to the moment at which the colour turns to blue.  This   burning is a method of treatment which is regarded as customary in   the trade, but the raw stones must be as free of inclusions as   possible,  since otherwise fissures may occur. In fact working with   tanzanite can   sometimes give even the most experienced cutter a bit   of a headache,  the cleavage of this gemstone being very pronounced in   one direction.  This exclusive gemstone is cut in every imaginable   shape from the classical round shape to a number of imaginative   designer cuts.

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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 692740
Watchers 6 watching
Viewed 240 times
Starts 4th Feb 2018 5:34pm PST
Ends 25th Feb 2018 5:34pm PST

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