Rocks and Minerals. Rock, Mineral and Crystal Specimens. Mineral Dealer specializing in cabinet size fine minerals Check out the mineral specimens on this page.
Rocks and Minerals. Mineral, Rock and Crystal Dealer. Check out our high quality selection. Siderite Crystal Cluster with Calcite Prinzipal MIne, Herja Complex, Baia Mare, Maramures, Romania 9 x 8 x 4 cm $400 SOLD Super specimen of mustard colored, curved rhombohedrons of Siderite that are flattened to appear bladed, with partial coating of white Calcite. "Dogtooth" Calcite Crystal Cluster Santa Eulalia. Municipio de Aquiles Serdan, Chihuahua, Mexico 11 x 9.5 x 5 cm $300 Calcite Crystal Cluster with Hematite Santa Eulalia. Municipio de Aquiles Serdan, Chihuahua, Mexico 12.5 x 12.5 x 6.5 cm $325 Apophyllite & Stilbite Crystals on Matrix Jalgaon, Maharashtra, India 18 x 9 x 7 cm $250 Aragonite Crystal Cluster Minglanilla, Cuenca, Castilla La Mancha, Spain 6.5 x 5 x 4.5 cm $150 Fluorite Crystal Cluster La Viesca Mine, Huergo, La Collada, Siero, Asturias, Spain 6 x 4 x 3 cm $325 SOLD Calcite Crystals on Dolomite Elmwood Mine, Carthage, Smith County, Tennessee, USA 10 x 8 x 3.5 cm $175 Green Quartz (Prasem) Crystals on Matrix Huanggang Mine, Haxigten Banner, Ulanhad League, Inner Mongolia A. R., China 13.5 x 9 x 7.5 cm $900 Galena Crystal Cluster with Quartz & Chalcopyrite 9th Septemvri Mine, Madan Ore Field, Rhodope Mts., Smolyan Oblsast, Bulgaria $425 Fluorite Crystals on Matrix Wushan, De'an, Jiangxi, China 18 x 12 x 7 cm $600 SOLD Blue Barite Crystal Cluster on Matrix Jebel Ouichane Mines, Beni Bou Ifrour, Nador, Morocco 10 x 8 x 6.5 cm $800 Quartz var. Amethyst Crystals on Matrix Las Vigas, Vera Cruz, Mexico 8.5 x 6.5 x 6.5 cm $300 Microcline var. Amazonite Crystal Cluster Smoky Hawk Mine, Teller County, Colorado, USA 7 x 6 x 2.5 cm $300 Fluorapophyllite Crystals on Stilbite Jalgaon, Maharashtra, India 12 x 9 x 6 cm $250 Prehnite Crystals with Epidote on Matrix Bendoukou, Sandare District, Kayes Region, Mali, Western Africa 8 x 7.5 x 4 cm $200 Corundum var. Ruby Crystal Mysore, State of Karnataka, India 15.1 x 8.6 x 7.1 cm $900 SOLD Blue Barite Crystal Cluster on Matrix Moscona Mine, Solis, Corvera de Asturias, Villabona Mining Area, Asturias, Spain 10.5 x 9 x 6 cm $400 Hematinic Quartz Crystal Cluster Near Tinjdad, Anti-Atlas Mountains, Morocco 11 x 7.5 x 3 cm $275 Cerussite with Barite Mibladen, Morocco 7 x 5 x 2.5 cm $150 Iridescrent Goethite La Lapilla, Alasno, Huela, Andalusia, Spain 8.5 x 7 x 4 cm $150 Quartz Crystal Cluster Ron Coleman Mine, Jessieville, Arkansas, USA 9 x 9 x 9 cm $200 SOLD Super lustrous, gemmy, sky blue Barite crystals on Matrix. In very good condition. Nice specimen of green Prehnite crystals with jet black Epidote on matrix. In good condition. Gemmy Cerussite crystals with cream and rust colored blades of Barite. In good condition. Very pretty, multi-colored, iridescent Goethite crystal cluster. In fine condition. Fine cluster of gemmy Quartz crystals from the famous Coleman Mine - origin of some of the finest Quartz in the world. In fine condition. Aesthetic cluster of Hematinic Quartz crystals. In very good condition. Excellent cluster of translucent, blue Barite blades on matrix from the famous Moscona Mine. In very good condition. Very nice grouping of green Quartz crystals on matrix. The green color is due to inclusions of Hedenbergite. In fine condition. A super large double terminated, hexagonal, pinkish-red crystal of Corundum var. Ruby from India (rare). In fine condition. Gemmy green, pseudo-cubic crystals of Fluorapophyllite on a Stilbite covered matrix. In very good condition. Aesthetic, lustrous Aragonite crystal cluster from Spain. In very good condition. Super clear crystals of Fluorite with beveled edges and light lavender color. Even better in person. In pristine condition. Golden, gemmy, double terminated crystals of Calcite on Dolomite from the famous Elmwood Mine. Fluoraphyllite crystals with Stilbite on matrix. In fine condition. Fine cluster of Galena crystals with great metallic luster in association with Quartz and golden Chalcopyrite. In fine condition. Large plate of octahedral, purple Fluorite crystals. In very good condition. Aesthetic grouping of Amethyst crystals on matrix. In very good condition. Pretty cluster of bluish green Amazonite. In good condition. Very attractive combination of light yellow Calcite with other Calcite crystals having a hematinic coating. In very good condition. Dogtooth Calcite is an unusual variety of Calcite, which is named "Dogtooth" because the scalenohedral crystals look like a large collection of dogs teeth. In very good condition. Wulfenite Crystals on Matrix Xinjiam, Henan Province, China 11 x 8.5 x 5 cm $1,000 SOLD A very nice specimen from the recent find of Wulfenite in China. Numerous blades of lustrous, orange Wulfenite with very few damaged crystals. Pyrite Crystals with Arsenopyrite & Quartz Mina Hercules, Ticapampa District, Recuay Province, Ancash Departmenr, Peru 13.5 x 8.5 x 7.5 cm $300 Lustrous, striated Pyrite crystals on a plate of glassy Quartz crystals & Minor Arsenopyrite. In very good condition. Cuprian Adamite Crystals on Limonite Ojuela Mine, Mapimi, Durango, Mexico 9 x 6 x 3.5 cm $350 Beautiful display of lustrous, light green Cuprian Adamite crystals on Limonite with two good diplay positions. In good condition Siderite Crystal Cluster Roznava, Kosice Region, Slovakia 8.5 x 7 x 3.5 cm Ex-American Museum & Kay Robertson Collections $500
A superb and rare old-time Siderite specimen with intergrown, large, lustrous, slightly translucent, brownish olive-green, compound rhombs creating a very aesthetic presentation. The impressive large rhomb measures 4.5 cm on the diagonal. In pristine condition. Well crystallized Siderite specimens are rare from this historic Au-Ag-Fe-Sb mining district known since the Middle Ages (around 1200) until the late 1900's. The mines are now extinct.