Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil.  10.85 carats.
Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil.  10.85 carats.
Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil.  10.85 carats.
Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil.  10.85 carats.
Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil.  10.85 carats.

Quartz cabochon with Goethite phantom, aka Volcano Quartz, Brazil. 10.85 carats.

Product code: QUCG33
£26.00

Product information

A combination of smoky, Citrine and colourless Quartz cabochon from Minas Gerais, Brazil with a phantom growth of Goethite.

The distinctive angular pattern of the phantom, which appears as feather-like fronds of black Goethite within the gem, give rise to it's alternate name, 'Volcano Quartz'.

Images 3 and 4 were taken under magnification, while image 5 shows the gem in transmitted light.

An uncommon and very collectable gemstone.


weight:  10.85 carats
shape:  Pear shape cabochon
dimensions:  22.58 x 12.46 x 4.70 mm
treatment:  None
 

Technical specifications

Product Code QUCG33
Weight 0.025kg

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