18.30 CTS GOLDEN RUTILATED QUARTZ 'STAR BURST' [MX9984]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
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MINERAL GEM WORLD

RUTILATED QUARTZ'STAR BURST'

This is a natural stunning  gem stone displaying gold needles and  well polished.This is a interesting stone in that the needles radiate from one spot so its called a star bust-great collectors stone.You have to process kilos of this material just to find the star.

Mined in Brazil

Weight 18.30 cts app

size 22 x 15 x 8 mm app

  

 

 

Quartz is the most common mineral on Earth. It is found in nearly every geological environment and is a component of almost every rock type.  It makes up about 12% of the earth's crust, occurring in a wide variety of igneous, metamorphic and sedimentary rocks. It is also the most varied in terms of variety and color.  Quartz is a 7 on the Mohs scale of hardness.

Rutilated quartz is found in Australia, Brazil, Kazakhstan, Madagascar, Norway, Pakistan and the United States.

Rutile is a major ore of titanium, which is a metal used for high tech alloys. It often forms needle-like crystal inclusions inside quartz.  This form of quartz is known as rutilated quartz and it looks like small bars of imbedded needles.  Rutile is a 6 on the Mohs scale.

Because of the difference in hardness between the two materials and because of the way rutile forms inside, this can be a difficult stone to attain a smooth surface without pits.

19h 4m 3s

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Pricing & Details

Bid Increment $1.00
Starting Bid $32.00
Auction ID 246065
Watchers 1 watching
Viewed 320 times
Starts 10th Dec 2016 9:02pm PST
Ends 11th Dec 2016 9:00pm PST

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