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Precio

120CTS 'STAR BURST' RUTILATED QUARTZ ROUGH [MGW2238 ]

SKU
Dimensiones (mm)
x x mm
Peso (cts)
Tipo
Rough
Colores

MINERAL GEM WORLD

RUTILATED QUARTZ 'STAR BURST'

This is a natural stunning  rough specimen displaying gold needles.This is a interesting stone in that the needles radiate from one spot so its called a star burst which is usually from a mica centre-great collectors stone.You have to process kilos of this material just to find the star.

Mined in Brazil

Weight 120 cts app

Size 36x30x19 mm app


We have taken the picture with the stone wet.We have also used a yellow light to try and show the "star burst'


Note we have larger specimens in our sister store QUALITY ROUGH

  

 

 

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.

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mineralgemworld
mineralgemworld
MEMBER OF THE [ICA]  INTERNATIONAL COLOURED STONE ASSOCIATION AND PRESIDENT OF THE OPAL ASSOCIATION. We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5
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21st Apr 2024

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Descripción general

Tipo de listado : Standard
ID del Producto : 290205
Empieza : 15th March 2024 10:10 pm PDT
* Todos los precios están en :moneda