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Check out the Fluorite with Quartz, Fluorapatite Crystal Cluster, Manganoan Calcite with Calcite & Quartz, Calcite Crystal on Chalcedony, Pyrite & Sphalerite, Celestite, Quartz var. Amethyst, Fluorapophyllite Crystals on Stilbite, Blue Chalcedony over Barite, Kunzite Crystals on Albite, Vivianite Crystals on Siderite, Pyrite ps. after Pyrrhotite with Dolomite, Chalcopyrite with Sphalerite & Quartz, Prehnite Crystal Cluster on Epidote, Fluorite Crystals on Calcite, Apatite Crystals on Feldspar, Datolite, Calcite on Galena, Copper Nuggat, Calcite Crystal on Dolomite, Vanadinite on Barite and Pyrite Crystal on Calcite  mineral specimens on this page.
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This is a stunning, almost pristine cluster of clear Quartz crystals with attached crystals of Calcite.
Calcite on Quartz Crystal Cluster
Borieva Complex, Madan District, Smolyan Oblast, Bulgaria
8.5 x 6.5 x 4 cm
Beautiful green, pseudocubic crystals of Fluorapophyllite on creamy white Stilbite.
Fluorapophyllite Crystals on Stilbite
Ahmadnagar, Maharashtra, India
8 x 7 x 3 cm
Eye appealing coverage of light blue to cream colored Chalcedony over Barite crystals. Possibly a partial pseudomorph.
Blue Chalcedony over Barite Crystals
Kalahari Manganese Fields, Northern Cape Province, South Africa
11.5 x 9 x 2.5 cm
Wonderful structure of Manganoan Calcite laminar-like crystals with great fluorescence under UV light.
Manganoan Calcite Crystal Cluster
Huanggang Mine, Inner Mongolia, China
10 x 7 x 6 cm
Two super gemmy, double terminated crystals of  Kunzite (to 9x2x1.75 cm) with light lavender coloring on Albite matrix. The coloring is totally natural, i.e., the specimen is not treated. The rystal on the left is naturally etched. Very beautiful.
Kunzite Crystals (Spodumene) on Albite
Pech, Chapar Dara District, Nooristan Province, Afghanistan
13 x 11 x 7 cm
This is definitely the best Vivianite specimen I have ever offered on my site. It has super gemmy emerald green crystals (to 2.2x0.8 cm) aesthetically arranged by nature on a Siderite matrix - much better than the more common, fragile Limonite material. The Vivianite crystals are in pristine condition with nice accenting dotting of Siderite crystals on some of the terminations. A Beauty !!!
Vivianite Crystals on Siderite
Huanuni, Dalence, Oruro, Bolivia
9 x 6.5 x 4.5 cm
Interesting pseudomorph specimen of silvery Pyrite replacing Pyrrhotite, aesthetically adorned with translucent, creamy white Dolomite crystals.
Pyrite ps. after Pyrrhotite with Dolomite
Trepca Complex, Kosovska Municipality, Kosovo
9 x 7 x 3 cm
Blood red, hematinic Amethyst from the Thunder Bay area in Canada.
Quartz var. Amethyst (Hematinic)
Blue Points Mine, Pearl, Near Thunder Bay, Ontario, Canada
8.5 x 6 x 2 cm
Very nice plate of golden Chalcopyrite crystals with Sphalerite and minor Quartz.
Fine grouping of green botryoidal crystals of Prehnite with satiny luster on Epidote.
Chalcopyrite, Sphalerite & Quartz
Huaron District, Pasco Department, Peru
12 x 10 x 4 cm
Prehnite Crystal Cluster on Epidote
Jjouga, Benduko, Kayes region, Mali, Africa
10.5 x 8.5 x 4 cm
Gorgeous, clear light lavender cubes of Fluorite with beveling and stepped formations on Calcite. From a very limited find at the Llamas Mine in Spain. Even better in person.
Fluorite Crystals on Calcite
Llamas Mine, Duyos Province, Asturias, Spain
8 x 5.5 x 3.5 cm
Very nice specimen of yellow-green hexagonal Apatite crystals (to 4.5x1 cm) on Feldspar from recent finds in Morocco. Most crystals are double terminated. Very similar to yellow Apatites from Mexico, but in far, far better condition.
Apatite Crystals on Feldspar
Anemzy, Imilchil, Er Rachidia Province, Meknes-Tafilatet Region, Morocco
8.5 x 6 x 4.5 cm
Cluster of several green Datolite crystals with partial coating of microcrystalline Quartz.The upper left crystal is cleanly double terminated.
Datolite Crystal Cluster
Charcas, Mun. de Charcas, San Luis Potosí, Mexico
5.5 x 5 x 3 cm
Silvery Galena crystals trimmed with Calcite.
Calcite on Galena
South Petrovitza Area, Borieva Conplex, Madan District, Smolyan Oblast, Bulgaria
6 x 4 x 2.5 cm
Aesthetic, multi-terminated green crystal of Fluorapophyllite with Stilbite on a Chalcedony matrix.
Fluorapophyllite Crystals with Stilbite & Chalcedony
Jalgaon, Maharashtra, India
8.5 x 6.5 x 4 cm
Gemmy Fluorite with Quartz
Xianghualing, Chenzhou Prefecture, Hunan Province, China
11 x 9 x 6.5 cm
Fluorapatite Crystal Cluster
Sapo Mine, Conselheiro Pena, Minas Gerais, Brazil
7 x 4 x 4 cm
Manganoan Calcite with Calcite & Quartz
Huanggang Mine, Hexigter, Inner Mongolia A. R., China
18 x 17 x 14 cm
Pyrite & Sphalerite Crystals
Mina Hercules, Ticapampa District, Recuay Province, Ancash Department, Peru
9 x 8 x 3 cm
Ex-Jorge Diaz Asenjo Collection
Quartz var. Amethyst Crystal Cluster
Las Vegas, Vera Cruz, Mexico
10 x 8 x 7 cm
Calcite Crystal on Chalcedony ps. after Calcite
Jalgaon, Maharashtra, India
9 x 9 x 7.5 cm
Celestite Crystal Cluster
N'Chwaning II Mine, Kuruman, Kalahari, South Africa
9.5 X 8.5 X 3 cm
Manganoan Calcite on Quartz & Sulfides
Droujba Mine, Lakli, Rhodope Mountains, Bulgaria
8 x 7.5 x 3.5 cm
Pyrite Crystal on Calcite
Huanzala Mine, Huallanca, Huanuco, Peru
12 x 9 x 7 cm
A gorgeous pair of gemmy, mint-green, interpenetrating Fluorite cubes aesthetically set atop a sculptural sulfide matrix covered with sparkly milky Quartz crystals. The stunning Fluorite crystals measure 4 x 3.6 x 3.2 cm and very glassy and lustrous. The impressive, sharp, tabular structure in the middle may be a barite pseudomorph or an unusual tabular Quartz crystal.
In fine condition.
A well sculpted cluster of gemmy green Fluorapatite crystals from the Sapo Mine.
A spectacular, large, two-sided, combination specimen. Features a dramatic, 12.7 x 10.5 cm rosette of lustrous, pastel-pink Manganoan Calcite disks perched atop a sloping field of glassy, translucent Quartz points. A sharp, 3.8 cm on the diagonal, Manganoan Calcite rhomb on the lower left side is a very nice accent. The back side is quite different! The parallel-growth disks of the rosette are set on an earlier generation, impressive, 10 cm on the diagonal, tannish-pink, Manganoan Calcite rhomb. Quartz is on the specimen matrix and the 6.7 Quartz point is a nice accent. In very fine condition.
Under UV Light
Back Side
A light honey colored, transparent Calcite rhomb measuring 4.5x3.75x3.5 cm perched on a Chalcedony ps. after Calcite matrix. In fine condition.
Nice cluster of  golden, slightly iridescent Pyrite with nicely formed crystals of Sphalerite.
Esthetic growth of two groups of elongated radiating prismatic crystals with very acute terminations. The crystals, bright and of uniform clear sky blue color, are on a small matrix. From a not that common location for the species. In fine condition.
Pretty formation of two generations of Manganoan Calcite on Quartz and Sulfides.
Stunning burst of Amethyst crystals.
Copper Nuggat
Michigan, USA
20 x 9.5 x 1 cm

Calcite Crystal on Dolomite Matrix
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District,  Smith Co., Tennessee, USA
18.5 x 13 x 4 cm
A super, gemmy, golden and lustrous double terminated Calcite crystal, measuring 9.5x5x3.5 cm, aesthetically perched on a Dolomite matrix from the famous Elmwood Mine.
Vanadinite Crystals on Barite
Mibladen, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
7.5 x 5.5 x 1.5 cm
Lustrous, red, hexagonal Vanadinite crystals on a cluster of white Barite blades.
Vanadinite Crystals on Matrix
Apache Mine, Near Globe, Arizona
Ex-Dyck Collection
8.5 x 6.5 x 4 cm

Blood red, hexagonal crystals of Vanadinite on matrix from the Apache Mine.
Nice, large Copper nuggat from Michigan.
This is not your "run of the mill" Pyrite specimen.
A large (6.5x6x6 cm) silvery, highly lustrous complex crystal formation , perched atop a solid Calcite matrix, from the Huanzala Mine privides a stunning display. In fine condition.