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Check out the Quartz Crystal Cluster with Dolomite, Pseudocubic Wulfenite with Calcite & Mimetite, Barrerite, Smithsonite var. Cadmium, Calcite with Phantoms on Sphalerite, Mimetite, Vanadinite on Barite, Fluorite, Galena & Chalcopyrite with Quartz, Quartz var. Amethyst, Epidote on Andradite, Vivianite, Calcite, Calcite on Pyrite after Pyrrhotite, Fluorite on Calcite, Chalcopyrite with Quartz, Galena & Calcite, Sphalerite var. Cleophane on Quartz, Malachite, Chalcedony Stalagmite, Agate, Amethyst Slice, Pyrite on Calcite, Chalcopyrite on Quartz, Cavansite on Matrix and Apophyllite & Stilbite on Heulandites mineral specimens on this page.

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Quartz var. Amethyst Crystal Cluster
Boekenhoutshoek Area, Mkobola, Nkangala District, Mpumalanga Province, South Africa
10.5 x 9 x 8.5 cm
Beautiful cluster of Amethyst crystals with some caramel color highlights, probably due to traces of iron. In fine condition.
Vivianite Crystal Cluster on Matrix
Huanuni, Dalence, Oruro, Bolivia
6 x 4 x 1.25 cm
Very nice cluster of gemmy, emerald green Vivianite crystals 
on matrix. In fine condition
Golden Calcite Crystal Cluster on Matrix
Madhya Pradesh, Maharashtra, India
11.5 x 8 x 6 cm
Very aesthetic complex cluster of  gemmy, light golden Calcite crystals perched on a thin matrix. Great luster and texture from some light natural etching. In fine condition. The cluster measures 8.5x6.5x2cm.
Calcite Crystals on Pyrite after Pyrrhotite
Trepca Complex, Near Mitrovica, Kosovska Municipality, Kosovo
5 x 4 x 2.5 cm
Neat specimen of lustrous Pyrite after Pyrrhotite with adorning light yellow Calcite crystals.
Botryoidal, translucent crystals of honey colored Fluorite on contrasting Calcite. Rare. In fine condition.
Fluorite Crystals on Calcite
Henan Province, China
9.5 x 6 x 3 cm
Fluorite Crystal Cluster
El Hammam Mine, El Hammam, Meknès, Meknès Prefecture, Fès-Meknès Region, Morocco Hammam Mine, Meknes, Morocco
10 x 6.5 x 1.5 cm

Vanadinite on Barite
Mibladan, Upper Moulouya Lead District, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco, Morocco
8 x 5 x 3.5 cm
Vanadinite on Barite
Mibladan, Upper Moulouya Lead District, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco 
8 x 5 x 2 cm
Fluorite Crystal Cluster
Okorusu Mine, Otjiwarongo District, Otjozondjupa Region, Namibia
10 x 8.5 x 1 cm
Pyrite on Calcite
Chenzhou, Hunan Province, China
8.4 x 4.4 x 3.8 cm
Chalcopyrite & Quartz
Animon Mine, Huaron Mining District, Huayllay, Pasco, Peru
5.5 x 5.5 x 2.5 cm
Chalcedony Stalagmite
Jalgaon, Maharashtra, India
16 x 6 x 4.5 cm
Galena & Chalcopyrite with Quartz
Boldut Mine, Cavnic, Maramures, Romania
8 x 8 x 2.5 cm
Apophyllites & Stilbites on Heulandite
Jalgaon, Maharashtra, India
7 x 5.5 x 4 cm
Cavansite Bow-ties on Matrix
Wagholi Quarry, Poon District, Maharashtra, India
5.5 x 4.5 x 3 cm
Calcite with Phantoms on Sphalerite
New Glencrieff Mine, Wanlockhead, Dumfries and Galloway, Scotland
11 x 9 x 6.5 cm
Pseudocubic Wulfenite Crystals with Calcite & Mimetite on Matrix
San Juan Poniente, Mina Ojuela, Mapimi, Durango, Mexico
12 x 8 x 4 cm
Mimetite Crystals on Matrix
Ojuela Mine, Mapimi, Durango, Mexico
12.7 x 6.3 x 4 cm
Barrerite (Rare Zeolite)
Rocky Pass, Kuiu Island, Sitka Borough, Alaska, USA
8 x 6 x 3.5 cm
Ex-David Burgess Collection
Smithsonite var. Cadmiun
San Antonio Mine, East Camp, Santa Eulalia, Chihuahua, Mexico
18.8 x 12.5 x 6.6 cm
Chalcopyrite with Quartz, Galena & Calcite
El Bolivar Mine, Piedras Verdes, Municipio urique, Chihuahua, Mexico
12.1 x 7 x 3.8 cm
Auganueva, State of Coahuila de Zaragoza, Municipality of Saltillo, Mexico
11.5 x 8.5 x 3 cm
Amethyst Slice
7.5 x 5.5 x 0.5 cm

Malachite (Polished)
Lubumbashi, Katanga Copper Crescent, Katanga, D.R. Congo
13.5 x 10 x 3.5 cm
Sphalerite var. Cleophane Crystals on Quartz
September Mine, Madan Mining Area, Rhodope Mountains, Smolyan Oblast, Bulgaria
8.5 x 6.5 x 2 cm
Fluorite Crystal Cluster with Calcite
Moscona Mine, Solis, Corvera de Asturias, Villabona Mining Area, Asturias, Spain
9 x 8.5 x 4 cm
Quartz Crystal Cluster with Dolomite
Baia Sprie Mine, Baia Sprie, Maramures, Romania
21 x 20 x 7.5 cm
Barrerite is one of the rarest Zeolites and is related to Stilbite. Kuiu Island yields some of the very finest examples of this species and this one is an aesthetic, rich and excellent small cabinet. Sharp parallel-growth, pearlescent Barrerite blades , to 3.5 cm, are clustered jackstraw style on the matrix.The interior is pristine.
A striking and unusual large combination from the famous Mina Ojuela. Clusters and isolated crystals of lustrous, translucent, butterscotch colored pseudocubic Wulfenite are richly scattered on Limonite matrix. The crystals reach 1.0 cm and are nicely accented by contrasting pearlescent Calcites and a few apple green Mimetite botryoids. Pristine condition.
An impressive, colorful and very sculptural large Smithsonite from the famous San Antonio Mine. Rich golden yellow translucent bubbly botryoids with satin luster cover the dramatically mounded piece. The yellow color is due to traces of Cadmium (a rare varietal of the species). Comes with a custom made stand valued at $235. In fine condition.
An impressive, sculptural old time Calcite on Sphalerite from the New Glencrieff Mine in Scotland. Striking, opposing, large nailhead scalenohedrons of Calcite are aesthetically set on the Sphalerite matrix. The lustrous, translucent Calcites have dense stepped-growth faces with satin luster. subtle phantoms are visible in all the crystals, but especially the three isolated crystals. The back sides of the specimen shows an original scalenohedron with an overgrowth, followed by secondary growth of the lustrous, stepped-growth Calcite.
Lustrous rich yellow colored semi-radial groups of Mimetites dramatically cover a wide v-shaped matrix.The Mimetites measure to 1.1 cm, and are elongated, but not narrow prisms, nor are they complete "sheres', but somewhere in between. The crystals have a distinct resinous luster. On close examination you can find a few small Wulfenite crystals. In Fine condition. 
A novelty from the 2019 Tucson Mineral Show. Groups of bright Chalcopyrite crystals with very well defined faces and edges and parallel growths on a group of white, doubly terminated Quartz crystals coated with small epigenetic Galena crystals and with small and very well defined scalenohedral Calcites. In fine condition.
A beautiful large cluster of Quartz crystals preferentially coated on the tips and sides with scintillating rhombs of golden Dolomite crystals. In pristine condition. Even better in person !
Blood red, hexagonal crystals of Vanadinite adorning contrasting blackish Barite blades on matrix. In fine condition.
Alluring highly lustrous, gemmy, bright yellow Fluorite crystals on matrix. 
In fine condition.
Aesthetic combination of lustrous Galena and golden Chalcopyrite with Quartz on matrix. In fine condition.
Attractive cluster of gemmy to translucent purple Fluorite crystals with clear outer zoning. In fine condition.
Another fine specimen of blood red, hexagonal crystals of Vanadinite on Barite. In fine condition.
Super gemmy, golden Fluorite crystal cluster crowned with gemmy to translucent Calcite crystals from the famous Moscona Mine. Much better quality than most recent specimens on the market. In fine condition.
Very gemmy greenish crystals of Sphalerite var. Cleophane on Quartz matrix. Pretty specimen. In fine condition.
Beautiful specimen of polished Malachite showing multiple generations of Malachite growth. In fine condition.
Aesthetic stalagmatic formation of Chacedony. In fine condition.
Attractive Agate from Mexico. In fine condition.
Multicolored slice of Amethyst from Brazil. In fine condition.
Calcite crystal cluster with preferential coating of lustrous golden Pyrite. In very good condition.
Sharp, lustrous, golden crystals of Chalcopyrite with Quartz. In very good condition.
Highly lustrous, electric blue bow-ties of Cavansite, measuring 1.5 x 0.8 cm, perched on a Quartz covered matrix. In very good condition.
Colorful combination of gemmy green Apophyllite, lustrous white Stilbite and orange Heulandite. In fine condition.
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Illinois Fluorites
Fluorite Crystal Cluster with Calcite
Moscona Mine, Solís, Corvera de Asturias, Villabona Mining Area, Asturias, Spain
13 x 7 x 4 cm

Gemmy, golden Fluorite crystal cluster with Calcite from the famous Moscona Mine. In good condition.