A large, iridescent and translucent vein of gemmy opal running through brown sandstone. The purple-hued opal in the center of the vein is particularly appealing. What an eye-catcher! Location: Maynside/Opalton, Queensland, Australia Size: 10 x 6.5 x 5 cm

A large, iridescent and translucent vein of gemmy opal running through brown sandstone. What an eye-catcher! Location: Maynside/Opalton, Queensland, Australia Size: 6.5 x 6 x 6 cm

A large, iridescent and translucent vein of gemmy opal running through brown sandstone. What an eye-catcher! Location: Maynside/Opalton, Queensland, Australia Size: 6.5 x 6.5 x 3.5 cm

A stunning natural Opal (some matrix is still attached) from Welo, Ethiopia. Again, this is its natural form, unpolished. To be honest with you, I prefer this natural Opal over the polished version. (Although, I wisely wouldn’t consider giving this to my wife on...

A unique piece of polished, free-form slightly translucent gray Agate with numerous white Agate inclusions. As hard as it might be to believe, this piece, its color and white splashes are all natural – no dyes, coloring or fillers. A rare and aesthetic display...

A unique, large, thick, colorful eye-catching polished slab of Conifer Rainbow petrified wood from the Holbrook, Arizona area. This striking, all natural piece displays deep, varied, saturated colors, wood grain and fossilized bark. The slab face is polished to a mirror finish and displays...

A unique, large, thick, colorful eye-catching polished slab of Conifer Rainbow petrified wood from the Holbrook, Arizona area. This striking, all natural piece displays deep, varied, saturated colors, wood grain and fossilized bark. The slab face is polished to a mirror finish and displays...

A unique, large, thick, colorful eye-catching polished slab of Conifer Rainbow petrified wood from the Holbrook, Arizona area. This striking, all natural piece displays deep, varied, saturated colors, wood grain and fossilized bark. The slab face is polished to a mirror finish and displays...

A superb cluster of water-clear, lustrous Phantom Quartz. Phantom Quartz: A Quartz crystal partially coated by another mineral followed by subsequent continued growth over pre-existing crystal. The numerous Quartz crystals in this cluster were previously dusted with red-brown Hematite. The subsequent crystal growth over...

A very unique piece that features a very large, thin plate, or crust of highly translucent, gemmy, pink (pink-ish) crystalline Apophyllite.  The luster/sparkle of this piece is quite amazing! A very aesthetic piece with great color, luster and size. In excellent condition. Location: Nashik, India...

A stunning, large, gemmy pink complex Calcite crystal (complex: a combination of rhombohedral and scalenohedral crystal forms) on a contrasting plate of clear, gemmy Quartz crystals/druzy. Amazing crystal formation, color and contrast! In excellent condition. Size: 10 x 8 x 4.5 cm Location: Yangshan,...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-like form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-like form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Ica,...

Hilarious Poo-emoji T-shits designed by our 9 year-old grandson! Brand: Gildan Heavy Cottom

This is a massive plate hosting countless miniature Prehnite stalactites or “fingers.” These are not epimorphs where the Prehnite covers the original mineral and the original mineral subsequently dissolves leaving a hollow cast, but rather solid Prehnite stalactites. A very unusual and even rare...

Pristine, translucent, “bubbly” (globular) formations of light-green Prehnite with a silky luster on contrasting matrix. A very unique piece - in excellent condition. Location: Prospect Park, New Jersey, USA Size: 9.5 x 8.5 x 3.5 cm

An aesthetic specimen featuring numerous intergrown spherical formations of translucent mint-green prehnite. These Prehnite spheres are aggregates of slender, radiating crystals clearly seen in the closeup of a contacted sphere on the back. This is a classic specimen and “floater” in excellent condition. Location: Tsumeb,...

A large, highly translucent specimen featuring numerous mint-green Prehnite crystals in interconnected clusters. The crystals are distinct and create a sparkly luster due to the numerous crystal faces. Great piece in excellent condition. Location: Tsumeb, Namibia Size: 13 x 4.5 x 9 cm

A beautiful and extremely aesthetic specimen featuring mint-green Prehnite epimorphs after elongated Laumonite crystals (the Laumontite formed first, was overgrown with Prehnite, then the Laumontite dissolved leaving the Prehnite in the shape of the Laumontite crystals) completely coated with lustrous miniature translucent, colorless Apophyllite...

A beautiful specimen of Prehnite coated with a clear Apophyllite and hosting numerous rectangular Apophyllite crystals. The crystals are transparent, gemmy, and a few are quite large, which contribute to this piece's amazing glassy luster. A showy piece, in excellent condition. Location: Mumbai, Maharashtra, India Size: 20.5...

A beautiful specimen of Prehnite coated with a clear Apophyllite and hosting numerous rectangular Apophyllite crystals. The crystals are transparent and gemmy. There are also numerous Gyrolite spherical aggregates (ok, Gyrolite balls, just didn’t like the sound of that . . . ) for...

A large specimen featuring numerous spherical formations of translucent green prehnite on dark green Epidote crystals. These Prehnite spheres are aggregates of slender, radiating crystals clearly seen in the closeup of a contacted sphere. This is a very fine specimen with excellent color and...

A spherical nodule of golden-metallic Pyrite crystals. The nodule is covered on all sides with Pyrite crystals. Very unique formation and in excellent condition. Location: Otjihase Mine, Von Francois Farm 60, Windhoek Rural, Khomas Region, Namibia Size: 3.8 x 3.2 x 2.5 cm

A vary large, lustrous cluster of intersecting Pyrite cubo-octohedral crystals. The crystals are large and well formed with complex surface textures which make for a unique and aesthetic piece. The metallic luster is mirror-like and exceptional. A great piece in excellent condition. Location: Huanzala Mine,...

Pyrite cubes never get old. There are some that insist these things are fabricated, but they are completely natural, and thus a favorite of collectors. This particular piece hosts a huge 4 cm Pyrite cube, and it is perfect - just amazing! Location: Navajun, Spain...

Pyrite cubes never get old. There are some that insist these things are fabricated, but they are completely natural, and thus a favorite of collectors. This particular piece hosts a large 3 cm Pyrite cube, and it is perfect - just amazing! Location: Navajun, Spain...

Pyrite cubes never get old. There are some that insist these things are fabricated, but they are completely natural, and thus a favorite of collectors. This particular piece hosts a huge 4 cm Pyrite cube, and it is perfect - just amazing! Location: Navajun, Spain...