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Check out the Fluorite Crystals with Barite, Golden Barite Crystals on Matrix, "Star" Muscovite, Fluorapatite Crystals with Quartz & Siderite, Copper Nuggat, Quartz var. Amethyst, Globular Chalcedony, Ferberite Crystals with Siderite & Fluorapatite, Celestite Crystal Cluster, Tarbuttite with Hydroxylapatite & Hemimorphite, Golden Barite Crystals, Mimetite Crystals on Limonite, Galena Crystals with Dolomite, Black & Blue Chalcedony with Apophyllite, Vanadinite Crystal Cluster, Wulfenite, Anhydrite Crystal Cluster, Stibnite Crystal Cluster with Calcite, Hausmannite, Sphalerite & Calcite and Calcite Crystal "Tree" mineral specimens on this page.
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Mixed Minerals
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Gregory Crenko  Collection
Edward David
Fluorite Crystals with Barite
Berbes, Berbes Mining Area, Ribadesella, Asturias, Spain
19.5 x 16.5 x 8 cm
Golden Barite Crystals on Matrix
Silius, Cagliari Province, Sardinia, Italy
12.7 x 7.3 x 6 cm
Ex-Herb Obodda Dealer Stock
"Star" Muscovite Crystal Cluster on Albite Matrix
Taquaral, Itinga, Minas Gerais, Brazil
9.9 x 7.8 x 4.8 cm
Fluorite Crystals on Matrix
Berta Quarry & Mine, Sant Cugat del Valles- El Papiol, Valles Occidental - Baix, Llobregat, Barcelona, Catalonia, Spain
8.1 x 5.5 x 2.7 cm
Ex- Art Soregaroli Collection
Fluorapatite Crystals with Quartz & Siderite
Panasqueira Mine - Couto Mineiro da Panasqueira, Panasqueira, Covilhã,  Castelo Branco District, Portugal
7 x 3.5 x 2.5 cm
Copper Nuggat
Michigan, USA
12 x 7.5 x 2 cm

Quartz var. Amethyst
Mun. Las Vigas de Ramiriz, Veracruz, Mexico
13 x 10 x 4 cm
Fluorite Crystal Cluster
Erongo Mountains, Namibia, Africa
8 x 4.5 x 2 cm
Globular Chalcedony Crystals
Jalgaon, Maharashtra, India
19.5 x 11 x 6 cm
Ferberite Crystals with Siderite and Fluorapatite
Panasqueira Mine - Couto Mineiro da Panasqueira,  Panasqueira, Covilhã, Castelo Branco District, Portugal
12 x 7.5 x 5.5 cm

Celestite Crystal Cluster
Sakoany Deposit,  Katsepy Commune,  Mitsinjo District, Boeny Region,  Mahajanga Province, Madagascar
9.5 x 5.5 x 4 cm
Tarbuttite with Hydroxylapatite & Hemimorphite
Skorpion Mine, Rosh Pinah, Lüderitz District, Karas Region, Namibia
7.6 x 3.8 x 3.8 cm
Fluorite Crystal Cluster
Emilio Mine, Loroñe, Obdulia Vein, Colunga District, Caravia Mining Area,  Asturias, Spain
5 x 4.5 x 2 cm
Ferberite with Quartz & Siderite
Panasqueira Mine - Couto Mineiro da Panasqueira,  Panasqueira, Covilhã, Castelo Branco District, Portugal
7 x 3 x 3 cm

Golden Barite Crystals on Barite
Meikle Mine, Bootstrap District, Elko County, Nevada, USA
9 x 6 x 5.5 cm
Ex-David E. Ellis Collection
Mimetite Crystals on Limonite
Contessa Mine, Santa Eulalia District, Mun. de Aquiles Serdán, Chihuahua, Mexico
10.5 x 6 x 3 cm
Galena Crystals with Dolomite
Sweetwater Mine, Ellington, Viburnum Trend District,  Reynolds Co.,  Missouri,  USA
10 x 6 x 3 cm
Black & Blue Chalcedony with Apophyllite
Jalgaon, Maharashtra, India
10.5 x 6.5 x 2 cm
Vanadinite Crystal Cluster
Mibladen, Midelt, Khenifra, Meknes-Tafilalet, Morocco
7.5 x7 x 2 cm
Chalcedony Stalagmite
Jalgaon, Maharashtra, India
9 x 7 x 4 cm
Wulfenite Crystals on Matrix
Red Cloud Mine, Lapaz County, Arizona, USA
6 x 5 x 2 cm
Anhydrite Crystal Cluster with Quartz
Naica, Mun. de Saucillo, Chihuahua, Mexico
12.5 x 5.56 x 3.5 cm
Rare "Bird-in-Flight" Chalcedony with Heulandite Formation
Jalgaon, Maharashtra, India
24 x 24 x 15 cm
Stibnite Crystal Cluster with Calcite
Dahegou Mine, Lushi Co., Sanmenxia Prefecture, Henan Province, China
9.5 x 4.5 x 2.5 cm
Ex-Herb Obodda Dealer Stock
Hausmannite Crystal Cluster
Kalahari Manganese Fields, Northern Cape Province, South Africa
5 x 3 x 0.5 cm
Sphalerite  & Calcite
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co.,Tennessee, USA
11 x 8.5 x 5.5 cm
Calcite Crystal "Tree"
Moscona Mine, Solís, Corvera de Asturias, Villabona Mining Area, Asturias, Spain
20.5 x 11.5 x 3 cm
Calcite Crystal Cluster
Water Well in Jalna District, Maharashtra, India
11 x 9 x 4 cm
Fluorite Crystal Cluster
Xianghuapu Mine, Hunan Province, China
14.5 x 9 x 2 cm
Excellent specimen of purple Fluorite crystals among snow white blades of Barite from the famous, long closed, Berbes Mine. In fine condition.
Aesthetic, prismatic, Barite crystals richly covering a large curved matrix. The crystals, to 2.6 cm, are very glassy, gemmy and have a fine amber color and textbook chisel terminations. In very good condition.
A very nice specimen of the so-called "star mica" named for its complex habit, which makes the individual crystals look like stars. Pretty straw - yelloe color with good luster against the contrasting Albite matrix. Essentially pristine with only minor, trivial periphery wear.
An attractive small cabinet specimen of the classic, well known vivid green octahedral Fluorite from the Berta Quarry. Not your typical Spanish Fluorite and,  for the size (largest crystal is 1.1 cm) the color is very intense. Good quality overall and hard to find on the market these days.
Highly sought after purple Fluorapatite crystal specimen with Quartz and Siderite from the Panasqueira Mines. The largets crystal in the cluster measures 1.1x0.8 cm. In very good condition.
Nice Copper Nuggat from Michigan.
Beautiful coverage of purple tipped Amethyst crystals on matrix from the Las Vigas area.
Lustrous emerald green Fluorite crystal cluster from the Erongo Mountains.
Intricate formation of globular Chalcedony. The surface is much more glistening in person.
Excellent cluster of prismatic Ferberite crystals with accenting Siderite and a large gemmy Fluorapatite crystal. Presentable from top and side.
Gemmy cluster of blue Celestite crystals.
Centered and radial growths of acicular Tarbuttite crystals with a light green color and partially coated with white Hydroxylapatite and Hemimorphite crystals. Tarbuttite is named after Percy Coventry Tarbutt, a Director of the Broken Hill Exploration Company who collected specimens at the type locality of Broken Hill, Zambia.
Very nice cluster of glassy, mostly clear Fluorite crystals from the Emilio Mine.
Nice combination of Quartz with a a lightly iredescent cluster of Ferberite and some adorning Siderite crystals.
Interesting specimen of two generations of Barite, the second being very gemmy, golden crystals and the first being the underlying lower clarity off-white Barite crystals.
Numerous, botryoidal, lemon colored Mimetite crystals on Limonite.
Classic, Galena crystals associated with Dolomite from the famous Sweetwater Mine.
Stalagmatic formation of black & blue Chalcedony covered with gemmy Apophyllite crystals.
Dense cluster of doubly terminated, hexagonal, lustrous Vanadinite crystals with well defined faces and edges and a very unusual color - between orange and cream with a dark stripe in the center of each crystal. An unusual limited find.
Aesthetic, lustrous Chalcedony stalagmite.
Nice specimen of sought after Red Cloud Mine Wulfenite crystals at an affordable price. Good condition.
Attractive cluster of pale blue Anhydrite crystals with Quartz.
Superb museum sized Chalcedony formation with the appearance of a
bird in flight. The stalagmatic growths are covered with silver colored micro-Heulandite crystals, which add luster and enhances the beauty of this rare specimen. Even better in person. Also, fairly light in weight for the size.
A fabulous sculptural and aesthetic Stibnite cluster with Calcite from an obscure Chinese locale. The sharply terminated, highly lustrous, well-striated, metallic blade is nicely accented by the fantastic, surrounding bent Stibnites preferentially coated with tiny, creamy Calcite rhombs. The back is also very presentable. In very good condition.
Dense cluster of well shaped tetragonal dipyramids of Hausmannite.
Even better in person.
Dense grouping of lustrous Sphaleriite crystals with accenting gemmy, light golden Calcite crystals from the famous Elmwood Mine.
Tree shaped cluster of two generations of lustrous Calcite crystals from the Moscona Mine.
Light yellow cluster of Calcite crystals (to 4x3x3 cm) from a water well find in the Jalna District in India.
Very translucent, light green cluster of Fluorite from the Xianghuapu Mine.
Arsenopyrite Crystals with Pyrite & Muscovite
Panasqueira Mine - Couto Mineiro da Panasqueira,  Panasqueira, Covilhã, Castelo Branco District, Portugal
6 x 4.5 x 4 cm

Highly lustrous, striated, prismatic crystals of Arsenopyrite with Pyrite and Muscovite.