Phosphate Deposits - Khouribga, MoroccoLATE CRETACEOUS PERIOD:  73 - 65 million years agoMosasaurs are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764. Mosasaurs probably evolved from an extinct group of aquatic lizards known as...

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.   59.4 g, 3'' x 3'' x .25''

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.   93.6 grams, 9'' x 2.5'' x .25''

From From Shimen Mine, Hunan, ChinaLarge translucent scalenohedral calcite crystal. The crystal has a tanish golden color with high reflectiong deeply striated crystal faces.   211 g, 3.5'' x 2.75'' x 2.25''

From Minggang Mine, Xinyang Prefecture, Henan, China   Sculptural specimen of translucent purple fluorite in botryoidal formation with well defined hemispherical aggregates covering both sides of its matrix.   1.80 lbs 5.5'' x 4.5'' x 2''

From Huangshaping Mine, Chenzhou Prefecture, Hunan Province, China   Transparent cluster of faint blue to colorless modified cubic formation of fluorite on matrix. The fluorite faces are composed of tiny parallel faces.   446.5 g, 3.5'' x 3.5'' x 2.5''    

From Dalnegorsk, Primorskiy Kray, Russia Isolated crystal aggregates of large tabular metallic bronze colored pyrrhotite crystals on matrix covered with flattened rhombic form calcite micro crystals.   2.95 lbs, 5.5'' x 3.5'' x 3''

From Dalnegorsk, Primorskiy Kray, Russia Large rhombic dodecahedron translucent faint pink calcite crystal on matrix. The pink color is due to high manganese impurities. Lustrous crystal faces composed of small parallel faces with sharp edges.   1.05 lbs, 4'' x 3'' x 2.5''

From Dalnegorsk, Primorskiy Kray, Russia Large rhombic dodecahedron translucent faint pink calcite crystal on matrix. The pink color is due to high manganese impurities. Lustrous crystal faces composed of small parallel faces with sharp edges.   1.25 lbs, 4'' x 3.75'' x 2.5''

Here is a large vertebrae from the massive Spinosaurus maroccanus theropod dinosaur. It comes from From Baharija Formation, South of Taouz, Kem-kem Basin, Morocco.Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the lower Albian to lower Cenomanian stages of...

From Dalnegorsk, Primorskiy Kray, RussiaLustrous pink manganese-rich calcite crystals with pale pink color. The calcite crystal are scalenohedron formation with modified terminations. Has lightly striated faces with a satin luster. The pink color is due to the manganese impurities.1.45 lbs, 4'' x 3.75'' x 2.75''

From Nikolaevskiy Mine, Dalnegorsk, Primorskiy Kray, Russia   Diverging sprays of lustrous white calcite crystals with small golden yellow siderite nodules over thin translucent quartz crystals beside metallic chalcopyrite crystals all on quartz matrix enriched with sphalerite.   1.30 lbs, 6'' x 4'' x 2''

From Miniera Campanio, Grossetto, Tuscany, ItalyTapering, white anhydrite crystals in parallel formation. All crystals are complete and undamaged, transparent with matted luster.   1.60 lbs, 4.5'' x 4.5'' x 3.5''

From Dalnegorsk, Primorskiy Kray, Russia Highly lustrous gem transparent crystals of colorless fluorite on matrix with small prismatic quartz crystals embedded with metallic galena crystals along side bladed rhombic crystals of calcite. The fluorite crystals show a combination of various formation from tetrahexahedral to octahedral and  dodecahedral.   2 lbs,...

From Minggang Mine, Xinyang Prefecture, Henan, China   Translucent purple fluorite in botryoidal formation with sculptural hemispherical aggregates covering both sides of its matrix.   3.40 lbs, 8.5'' x 4'' x 2.5'' 

From Dalnegorsk, Primorskiy Kray, Russia   Highly lustrous stacked cluster of translucent manganese rich faint pink calcite crystals. The calcite crystals are scalenohedral formation with double terminations and striated crystal faces.   1.80 lbs, 5.5'' x 4'' x 3''

From Baiutz, Maramures, Romania    Diverging sprays of flattened elongated metallic grey stibnite crystals in diverging sprays with areas coating with brassy metallic chalcopyrite microcrystals.   1.80 lbs, 5.5'' x 3'' x 2.75''

From Dalnegorsk, Primorskiy Kray, Russia Highly lustrous translucent manganese rich faint pink doubly terminated calcite crystal. The calcite crystals are scalenohedral form and are twinned on the C-axis with prominent reentrant faces in the center defining the twin plane.   1.80 lbs, 5.75'' x 3.5'' x 3.5''

From Herja Mine (Kisbanya), Baia Mare, Maramures, RomaniaLustrous radiating cluster of translucent blue-grey bladed barite with large intersecting tabular fan shaped crystals with metallic-gray spherical rosette aggregates stibnite crystals in spherical rosette aggregates scattered atop the barite crystals.1.80 lbs, 5.5'' x 4'' x 3.5''

From Salinas de Otuma, Pisco Province, Ica Department, Peru   Aesthetic formation of a radiating diverging spray of transparent golden selenite crystals on halite enriched matrix with large water clear transparent cubic halite crystals.   *Custom Lucite base shown included with purchase   168.3 g, 3.5'' x 3'' x 2'' ...

From Casapalca District, Huarochiri Province, PeruLarge cluster of blue steel colored metallic tetrahedrite crystals with a secondary growth of stacked flattened rhombic calcite crystals. The tetrahedrites have highly reflective crystals with sharp well defined tetrahedral form.   1.30 lbs, 5'' x 2.75'' x 1''

Middle Cretaceous Period, Baharija Formation, South of Taouz, Kem-kem Basin, Morocco, North Africa   Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur which lived in what is now North Africa, from the lower Albian to lower Cenomanian stages of the Cretaceous period, about 112 to 97  million years...

From Edong Mining District, Daye, Hubei, China   Large cluster of scalenohedral calcite with a secondary coating of lustrous iridescent metallic chalcopyrite crystals on the surfaces. Bright and lively specimen with a scintillating surface.   3.20 lbs, 6.5'' x 4'' x 4.75''

From Guanajuato, MexicoLustrous pale-pink tetragonal apophyllite crystal cluster on matrix with small metallic chalcopyrite crystals. The apophyllite has pyramidal terminations with glassy luster faces. Color and formation is much more prodominant in person, pink color is difficult to photograph.   2 lbs, 6'' x 4.5'' x 3''

Here is a claw from a Chirostenotes oviraptorosaurian dinosaur from the late Cretaceous (about 76.5 million years ago) of Alberta, Canada. Chirostenotes (named from Greek 'narrow-handed') is a genus of oviraptorosaurian dinosaur from the late Cretaceous (about 76.5 million years ago) of Alberta, Canada. The type species is Chirostenotes pergracilis....

 From San Giovanni Mine, Punta della Torre, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy   Large sculptural specimen of powder blue Aragonite in stalactitic formation. Translucent with a scintillating surface. Very uncommon to come across a specimen this size and quality. Lucite base shown included with purchase.     2.60 lbs, 6.5'' x...

From El Kwal Mine, Mibladen, Atlas Mountains, Khénifra Province, MoroccoLustrous double sided complex cluster of red hexagonal vanadinite crystals. The vanadinite is translucent fully terminated with highly reflective faces, complete all around.*Custom Lucite base shown included with purchase   1.30 lbs, 3.75'' x 3.25'' x 2''

From Nasik District, Maharashtra, India   Penetrating twinned crystals of transparent golden yellow calcite with silky luster faces and sharp terminations. The twin orientation is well defined and visible throught the termination faces.   1.10 lbs, 3'' x 3'' x 2''

From Huallanca District, Huanuco Department, PeruLarge metallic-gray tetrahedrite crystals with lustrous sharp faces. The tetrahedrites have highly reflective crystals with well defined tetrahedral form.   1.5 lbs, 4.5'' x 4'' x 1.75''

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, NamibiaHighly reflective cluster of sharp rhombic crystals of calcite with bright red hematite internal inclusions.The calcite is fully crystallized with sharp terminations showing step growth.   3.5 lbs, 5.75'' x 4.5'' x 4''

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)An aesthetic stalactitic formation of velvety botyroidal malachite. The stalactitic formation are fully crystallized in a staggering parallel formation ranging form 1inch to 3 inches in length. The crystal surface have a scintillating luster with bright even color.   399.2 lbs,...

From Cave-in-Rock District, Hardin County, Illinois Translucent purple cubic crystals with chalcopyrite inclusions on matrix with stark white calcite. The fluorite crystals have great translucency with deep purple outter zoning. The crystal faces are composed of many tiny parallel faces embedded with tiny metallic chalcopyrite crystals.   1.70 lbs, 5''...

From Kelly Mine, Magdalena District, Socorro County, New Mexico   Large classic specimen of sea blue-green smithsonite in rounded aggregates on matrix. Has a high luster with the vibrant translucent blue green color which is infamous from the Kelly mine. Very sought after, rare specimen due to its color and...

From Elmwood Mine, Carthage, Smith County, TennesseeLustrous transparent deep golden calcite crystal on matrix. Large double terminated scalenohedral twinned on the C-axis with well defined re-entrant faces. Small sphalerite crystal embedded on the back of the specimen.3.55 lbs, 8'' x 5'' x 2.75''

From Mauldin Mountain, Montgomery County, ArkansasScintillating hemispherical botryoidal aggregates of green wavellite lining a shallow vug matrix. The wavellite has even deep green color throughout the specimen with lustrous crystal surface.   3 lbs, 6.5'' x 4.5'' x 4''

From Hell's Creek Formation, Montana, USA 80-66 million years ago in the Cretaceous Period    Struthiomimus is a genus of ornithomimid dinosaur from the late Cretaceous period. It was a long-legged, meat-eating ostrich-like dinosaur. Struthiomimus had long slender arms, and hands, with immobile forearm bones but limited possibility between the...

From Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, MichiganLustrous translucent parallel scalenohedral calcite crystals with metallic copper inclusions on matrix. The copper inclusions are visible throughout the crystals.*Custom Lucite base shown included with purchase1.25 lbs, 4'' x 3.5'' x 2.5''

From Elmwood Mine, Carthage, Smith County, TennesseeTranslucent cubic fluorite crystal with purple zoning perched a top of a cluster of metallic luster deep brown sphalerite crystals.The fluorite surfaces are composed of smaller parallel crystal faces accented by small micro crystal clusters of barite.The sphalerite is translucent which can be seen...