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 Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Large 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...

Aesthetic specimen of hoppered cubic Halite crystals on Trona with deep pink color from Owens Lake, Inyo County, California. The rich pink color is due to organic impurities. The crystals are transparent to translucent with a wet luster and have a well-defined etched hoppered crystal formation. The specimen is also...

From Detroit Salt Company Mine, Detroit, Wayne Co., Michigan, USA   Large group of translucent to transparent clear cubic crystals of Halite from the Detroit Salt mine in Michigan. Sharp well defined terminations with a wax luster. Water soluble specimen.   1.5 lbs, 8'' x 5.5'' x 1.75''

From Detroit Salt Company Mine, Detroit, Wayne Co., Michigan, USA   Large group of translucent to transparent clear cubic crystals of Halite from the Detroit Salt mine in Michigan. Sharp well defined terminations with a wax luster. Water soluble specimen.   1.20 lbs, 6'' x 5.5'' x 1.75''

From Detroit Salt Company Mine, Detroit, Wayne Co., Michigan, USA   Group of translucent to transparent clear cubic crystals of Halite from the Detroit Salt mine in Michigan. Sharp well defined terminations with a wax luster. Water soluble specimen.   149.9 g, 3.5'' x 2'' x 2''

From Detroit Salt Company Mine, Detroit, Wayne Co., Michigan, USA   Group of translucent to transparent clear cubic crystals of Halite from the Detroit Salt mine in Michigan. Sharp well defined terminations with a wax luster. Water soluble specimen.   90.8 g, 3'' x 2.5'' x 1''

Aesthetic specimen of hoppered cubic Halite crystals on Trona with deep pink color from Owens Lake, Inyo County, California. The rich pink color is due to organic impurities. The crystals are transparent to translucent with a wet luster and have a well-defined etched hoppered crystal formation. The specimen is also...

Aesthetic specimen of hoppered cubic Halite crystals on Trona with deep pink color from Owens Lake, Inyo County, California. The rich pink color is due to organic impurities. The crystals are transparent to translucent with a wet luster and have a well-defined etched hoppered crystal formation. The specimen is also...

From Owens Lake, Inyo County, CaliforniaAesthetic specimen of hoppered cubic halite crystals with deep pink color. Rich pink color due to organic impurities. Crystals are transparent to translucent with a wet luster. Well defined etched hoppered crystal formation. Specimen is water soluble.   1.75 lbs, 8'' x 7'' x 1.5''...

Aesthetic specimen of hoppered cubic Halite crystals on Trona with deep pink color from Owens Lake, Inyo County, California. The rich pink color is due to organic impurities. The crystals are transparent to translucent with a wet luster and have a well-defined etched hoppered crystal formation. The specimen is also...

From Owens Lake, Inyo County, CaliforniaAesthetic specimen of hoppered cubic halite crystals with deep pink color. Rich pink color due to organic impurities. Crystals are transparent to translucent with a wet luster. Well defined etched hoppered crystal formation.  Specimen is water soluble.   1.25 lbs, 7'' x 5.75'' x 1.25''...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Gem transparent greyish blue with purple core cubic fluorite cluster accented by calcite. Crystals has a waxy luster, cubic formation with modified etched terminations embedded with chalcopyrite micro crystals.   1.95 lbs, 5'' x 4'' x 2''

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Large specimen of pale-yellow scalenohedral calcite on a bed of micro calcite crystals with transparent mint green fluorite with purple phantoms. The fluorites are cubic with modified terminations. Minor contact along the bottom of the specimen.   2.70 lbs, 7'' x...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Gem transparent greyish blue with purple core cubic fluorite cluster. Crystals has a waxy luster, cubic formation with modified etched terminations with well defined purple phantoms. Has a light pink calcite which appears to have broken off in the pocket.  ...

From Yaogangxian Mine, Nanling Mountains, Hunan Province, China   Gem transparent greyish blue with purple core cubic fluorite cluster accented by colorless scalenohedral calcite. Crystals has a waxy luster, cubic formation with modified etched terminations embedded with chalcopyrite micro crystals.   2.85 lbs, 6'' x 5'' x 2.5''

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...

Large aesthetic flat elliptical formation of pale-lavender Brazilian Amethyst crystals also known as an "Amethyst Flower". This specimen has an unusual trigonal habit with parallel growth. Crystals are translucent with glassy luster faces.  This specimen is from Rio Grande du Sol, Brazil 10.5 lbs, 14" x 9" x 4"

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....