Marco Frigerio Posts - TopicsExpress

Orbicular Jasper - Ocean Jasper - Madagascar Specimens and
Orbicular Jasper - Ocean Jasper - Madagascar Specimens and photos : (C) Marco Frigerio - Classic Rocks and Gems Orbicular jasper is a variety of j...

Polychrome Jasper - Madagascar Specimen and photos - (C) Marco
Polychrome Jasper - Madagascar Specimen and photos - (C) Marco Frigerio - Classic Rocks and Gems Jasper is an opaque rock of virtually any color ste...

Catseye Emerald Cabochon - Nova Era - Minas Gerais - Brazil
Catseye Emerald Cabochon - Nova Era - Minas Gerais - Brazil Size : 16.8 x 12 x 9.1 mm Weight : 15.4 ct Specimen and photo : Classic Rocks and Gems...

Top Quality Ethiopian Opal Cabochon - Handmade Sterling Silver
Top Quality Ethiopian Opal Cabochon - Handmade Sterling Silver Ring Beautiful cabochon showing a continuous play of colour Classic Rocks and Gems A ...

Ancient Banded Ironstone Formations - over 3 billion yrs From
Ancient Banded Ironstone Formations - over 3 billion yrs From Australia and South Africa The conventional concept is that the banded iron layers wer...