Winza, Tanzania

Ruby from Winza, Tanzania

Posted 08/31/2011  /   By SSEF  /  0 Comments

Deposit discovered in 2008 close to the village of Winza that has produced a number of impressive rubies of finest quality. Apart from this, many bicoloured (blue and red) and multicoloured (blue, white, purple, red) zoned sapphires have been found.  

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Tunduru, Tanzania

Gemstone gravels from Tunduru, Tanzania

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Rich placer deposits in South Tanzania with sapphire, ruby, spinel, garnet, chrysoberyl, tourmaline, zircon, diamond.

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Montepuez, Mozambique

Ruby in amphibolite matrix.

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Large deposit of rubies recently discovered in northern Mozambique.

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Niassa, Mozambique

Ruby from Niassa, Mozambique

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Rubies discovered in 2008 in and around the Niassa National Reserve in northern Mozambique.  

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Chimwadzulu Hills, Malawi

Rough from Chimwadzulu Hills, Malawi

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Deposit producing ruby and fancy-coloured sapphires.

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Baringo, Kenya

Cabochon rubies from Baringo, Kenya

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Alluvial deposit in Baringo area of northern Kenya with ruby and pink sapphires.

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Andilamena, Madagascar

Andilamena lead glass Madagascar ruby

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Importantruby discovery at beginning of 21st century in the region of Andilamena. Most of these stones need a treatment (glass filling of fissures) to enhance their visual appearance.

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Greenland rubies

Ruby in matrix and rough ruby from Greenland

Posted 08/26/2011  /   By SSEF  /  0 Comments

Source of Greenland rubies, near Fiskenaes.

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Djeva, Switzerland

Verneuil synthetic corundum and spinel

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Production of synthetic ruby, sapphire and spinel mostly using the Verneuil method (flame fusion). These are produced by  the company Hrand Djevahirdjian SA in Monthey, Switzerland.

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Campolungo, Switzerland

Corundum in matrix from Campolungo, Switzerland. Photo: Michael Krzemnicki, IGC 2011

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Dolomite marble outcrop in the Swiss Alps with ruby to pink sapphire mineral specimens.

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