Beautiful hand polished petrified wood slice from Madagascar. It has an amazing pattern with vibrant hues of brown, yellow, and orange. Fossilized Petrified Wood, which is also known as Agatized Wood, forms when a tree has died and silicon dioxide forms in place of the wood that degrades until there...

Beautiful hand polished petrified wood slice from Madagascar. It has an amazing pattern with vibrant hues of brown, yellow, and orange. Fossilized Petrified Wood, which is also known as Agatized Wood, forms when a tree has died and silicon dioxide forms in place of the wood that degrades until there...

Beautiful polished cross section of Madagascar petrified wood. It has an amazing pattern with vibrant hues of brown, yellow, and orange. This specimen is a complete cross-section with bark lining.    Weight: 7.5 lbs, Dimensions: 7 x 8.5 x 2.5 inches

From Southern Paraná Basalt Basin, Artigas, Uruguay   A nicely banded cross section of an amethyst stalactite crystal. Gem translucent slice with colorless along the outer rim of the slice. Polished on front and rear sides.   55.1 g,  2.5'' x 2''

From Southern Paraná Basalt Basin, Artigas, Uruguay   A nicely banded cross section of an amethyst stalactite crystal.  Gem translucent slice with deep purple color along the outer rim of the slice. Polished on front and rear sides.   41.5 g,  3'' x 2''

Large 1.5 inch metallic lustrous cubic Spanish Pyrite crystal on matrix. This specimen has sharp, well-defined terminations where the crystal faces are smooth with a metallic mirror luster. This Pyrite is from Victoria Mine, Navajún, La Rioja, Spain and is in pristine condition. 1.25 lbs, 3.25'' x 3'' x 2.5''...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous pink translucent flattened rhombohedral cobalt-rich Calcite crystals on matrix. Has bright intense color with scintillating luster. These are from an old stock mined from the 1970s or 1980s and very rarely available with...

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This undamaged specimen has fully terminated crystal faces. These specimens, from Rio Marina, Elba Island, Livorno Province, Tuscany, Italy, are highly desired by collectors and are becoming much harder to find....

Large water-clear, near flawless, prismatic crystal of Quartz from Peña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.  This transparent crystal, with horizontal striations across the crystal faces and a natural wet-luster, appears as if polished. Super rare find and hard to come these top...

Large water-clear, near flawless, prismatic crystal of Quartz from Peña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.  This transparent crystal, with horizontal striations across the crystal faces and a natural wet-luster, appears as if polished. Super rare find and hard to come these top...

Large water-clear, near flawless, prismatic crystal of Quartz from Peña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.  This transparent crystal, with horizontal striations across the crystal faces and a natural wet-luster, appears as if polished. Super rare find and hard to come these top...

Large water-clear, near flawless, prismatic crystal of Quartz from Peña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.  This transparent crystal, with horizontal striations across the crystal faces and a natural wet-luster, appears as if polished. Super rare find and hard to come these top...

Large water-clear, near flawless, prismatic crystal of Quartz from Peña Blanca Mine, Mun. de San Pablo de Borbur, Vasquez-Yacopí Mining District, Boyacá Department, Colombia.  This transparent crystal, with horizontal striations across the crystal faces and a natural wet-luster, appears as if polished. Super rare find and hard to come these top...

From Erongo Mountain, Erongo Region, NamibiaLarge specimen of lustrous crystals of jet black schorl tourmaline crystals scattered across a bed of  feldspar. Crystal faces have sharp diagonal but subtle striations with equant pyramidal terminations. The luster is superb, has a bright wet sheen.   255.4 g, 4'' x 4'' x1''...

From Erongo Mountain, Erongo Region, NamibiaLustrous crystals of jet black schorl tourmaline crystals scattered across a bed of  feldspar. Crystal faces have sharp diagonal but subtle striations with equant pyramidal terminations. The luster is superb, has a bright wet sheen.   65.4 g, 3.5'' x 1.5'' x 1''

From Erongo Mountain, Erongo Region, NamibiaLarge specimen of lustrous crystals of jet black schorl tourmaline crystals scattered across a bed of  feldspar. Crystal faces have sharp diagonal but subtle striations with equant pyramidal terminations. The luster is superb, has a bright wet sheen.   283.6 g, 5'' x 4'' x...

From Erongo Mountain, Erongo Region, NamibiaLustrous crystals of jet black schorl tourmaline crystals scattered across a bed of  feldspar. Crystal faces have sharp diagonal but subtle striations with equant pyramidal terminations. The luster is superb, has a bright wet sheen.   86.6 g, 3'' x 2.5'' x 1

From Erongo Mountain, Erongo Region, NamibiaLarge specimen of lustrous crystals of jet black schorl tourmaline crystals scattered across a bed of feldspar surrounded by small tabular smoky quartz. Crystal faces have sharp diagonal but subtle striations with equant pyramidal terminations. The luster is superb, has a bright wet sheen. Crystals...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous pink translucent flattened rhombohedral cobalt-rich Calcite crystals covering 2 sides of matrix. Has bright intense color with scintillating luster. These are from an old stock mined from the 1970s or 1980s and very rarely...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous hot pink translucent flattened rhombohedral cobalt-rich Calcite crystals on matrix. Has bright intense color with scintillating luster. These are from an old stock mined from the 1970s or 1980s and very rarely available with...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous pink translucent flattened rhombohedral cobalt-rich Calcite crystals on matrix with fibrous crystals of malachite. Has bright intense color with scintillating luster. These are from an old stock mined from the 1970s or 1980s and...

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This undamaged specimen has fully terminated crystal faces. These specimens, from Rio Marina, Elba Island, Livorno Province, Tuscany, Italy, are highly desired by collectors and are becoming much harder to find....

Classic old European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This undamaged specimen has fully terminated crystal faces. These specimens, from Rio Marina, Elba Island, Livorno Province, Tuscany, Italy, are highly desired by collectors and are becoming much harder to...

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This undamaged specimen has fully terminated crystal faces. These specimens, from Rio Marina, Elba Island, Livorno Province, Tuscany, Italy, are highly desired by collectors and are becoming much harder to find....

Classic old-European specimen with a lustrous combination of well defined pyritohedral crystal cluster of Italian pyrite on hematite matrix. This undamaged specimen has fully terminated crystal faces. These specimens, from Rio Marina, Elba Island, Livorno Province, Tuscany, Italy, are highly desired by collectors and are becoming much harder to find....

From Uchucchacua Mine, Oyon, Cajatambo, Peru   Gem translucent red crystal of rhodochrosite from the Uchucchacua Mine in Lima Dept., Peru is aesthetically placed on a white, fluorite spotted matrix. Crystal has lightly striated faces with glassy luster, composed of many smaller parallel rhombohedral crystal faces. The crystal is large...

Natural cabochon of gem transparent Quartz with golden acicular needle crystal inclusions of  Rutile.   Weight: 55.9ct Size: 29mm x 23mm Shape: Round Origin: Novo Horizonte, Bahia, Brazil

Top grade untreated free formed Larimar cabochon has rich blue color with high polished finish.   Weight: 20.7 ct Size: 24mm x 13mm Shape: free formed Origin: Dominican Republic

Top grade untreated free formed Larimar cabochon has rich blue color with high polished finish.   Weight: 20.7 ct Size: 30mm x 11mm Shape: free formed Origin: Dominican Republic

Top grade natural Madeira Citrine gemstone which is the most prized of all Citrine. Madeira Citrine has a rich a unique sherry overtone, which is why it is highly desired. Has rich color with flawless clarity.   Weight: 53.4 ct Size: 29mm x 21mm Shape: Oval facet Origin: Brazil

Top grade natural Madeira Citrine gemstone which is the most prized of all Citrine. Madeira Citrine has a rich a unique sherry overtone, which is why it is highly desired. Has rich color with flawless clarity.   Weight: 50.4 ct Size: 27mm x 21mm Shape: Oval facet Origin: Brazil

Gem water clear optical Quartz included with a well defined Hematite with Rutile star. Crystal formation is a free form triangular shape with facets along the edges.   Weight: 159.3ct Size: 57mm x 39mm Shape: facet free formes Origin: Novo Horizonte, Bahia, Brazil

Top grade natural Madeira Citrine gemstone which is the most prized of all Citrine. Madeira Citrine has a rich a unique sherry overtone, which is why it is highly desired. Has rich color with flawless clarity.   Weight: 28.1 ct Size: 27mm x 17mm Shape: Pear facet Origin: Brazil

Untreated natural gemstone of fiery stone with intense colors ranging from deep red to a yellowish orange.   Weight: 59.9 ct Size: 32mm x 20mm Shape: Marquee facet Origin: China

From Milpillas Mine, Cuitaca, Sonora, MexicoLustrous crystals of bright vivid royal blue Azurite crystals on fibrous malachite matrix. Gem translucent with internal reflections are visible in certain areas   1 x 1 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLarge cluster of bright vivid royal blue Azurite crystals with small areas coated by fibrous malachite. Gem translucent along the edges with internal reflections are visible in certain areas. Fully terminated with lustrous crystal faces.   1.25 x .75 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLarge fully terminated single crystal of bright vivid royal blue Azurite on matrix. Gem translucent along the edges with internal reflections are visible in certain areas.   1.25 x 1 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLustrous cluster of bright vivid royal blue Azurite crystals accented by a small fibrous malachite crystals. Gem translucent along the edges with internal reflections are visible in certain areas.   1.5 x 1 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLustrous large crystal of bright vivid royal blue Azurite accented by a pseudomorphic fibrous malachite after azurite crystal. . Gem translucent with internal reflections are visible in certain areas   1 x 1 inches

From Milpillas Mine, Cuitaca, Sonora, MexicoLustrous single crystal of bright vivid royal blue Azurite. Fult terminated with lustrous etched crystal faces. Gem translucent along the edges with internal reflections are visible in certain areas.   1.25 x 1 inches