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  • Amethysts, Turquoises, Emeralds, Diamonds (Bulgari) - Italy - 2009 - First Day Cover

  • Amethysts, Turquoises, Emeralds, Diamonds (Bulgari) - Italy - 2009

  • Diamond prospecting - Lesotho - 1976

  • Diamond mines - Lesotho - 1976

  • Diamond rock - Lesotho - 1976

  • Diamond kimberlite volcano - Lesotho - 1976

  • Diamonds - Israel - 2001 - First Day Cover

  • Diamonds - Tatarstan - 2006 - Fake

  • Diamond - Afghanistan - 1999

  • Diamond - Germany - 1997

  • Hyalophane - Bosnia and Herzegovina - 1999

  • Quartz - Bosnia and Herzegovina - 1999

  • Quartz and Calcite - Romania - 1985

  • Gypsum - Romania - 1985

  • Quartz - Romania - 1985

  • Stibnite - Romania - 1985

  • Mimetite - South West Africa - 1989

  • Diamonds - South West Africa - 1989

  • Diamond Cullinan II, the Lesser Star of Africa - South Africa - 1980

  • Diamond Cullinan I, the Great Star of Africa - South Africa - 1980

  • Diamond - Thailand - 2001

  • Calcite - Bulgaria - 1995

  • Quartz - Bulgaria - 1995

  • Diamond - Belgium - 1960

  • Diamond - Ghana - 1959

  • Diamonds - Tanzania - 1986

  • Diamonds - Botswana - 2001

  • Diamond Mine - Botswana - 2001

  • Diamond Dealer - Botswana - 2001

  • Diamond Jewellery - Botswana - 2001

  • Quartz - Mozambique - 1979

  • Quartz - Switzerland - 1958

  • Diamond Princess Cut - Israel - 2001

  • Diamond Round Brilliant Cut - Israel - 2001

  • Diamond Marquise Cut - Israel - 2001

  • Scepter Quartz - Liechtenstein - 1989

  • Quartz - France - 1986

  • Diamond Faceting - South West Africa - 1974

  • Diamond Mining - South West Africa - 1974

  • Silver Topaz - South West Africa - 1979

  • Dolomite - Spain - 1995

  • Aquamarine - Brazil - 1977

  • Diamond - Israel - 1968

  • Topaz - Russia - 1963

  • Tourmaline - United States - 1974

  • Gypsum - East Germany - 1972

  • Halite - East Germany - 1972