Rocks and Minerals. Rock, Mineral and Crystal Specimens. 
Mineral Dealer specializing in cabinet size fine minerals
Fluorite on Quartz
Odisha State, India
10 x 9 x 5 cm
Green Fluorite Crystals on Fluorite
15.5 x 10.5 x 6 cm
Wulfenite Descloizite & Calcite
Eruption Mine, Ahumada Municipality, Chihuahua, Mexico
9 x 6 x 5 cm
Ex-M.C. Brown Collection

Herkimer Diamonds on Matrix
Diamond Acres Mine, Fonda NY, USA
11 x 6 x 4.5 cm   

Magnetite Crystals on Matrix
San Calixto Prospect, Cerro Huanaquino, Potosi, Bolivia
9.5 x 6 x 1.5 cm
Ex-M.C. Brown Collection
Rogerley Fluorite Crystal Cluster
Rogerley Mine, Frosterley, Weardale, North Pennines County, Durham, England
8.5 x 7 x 3.5 cm
 Calcite Crystal Cluster ( 2 Generations)
 Longyan Mine, Fujian Province, China 
 14 x 7 x 3.5 cm
Copper Veins in Matrix
Chino Mine, Bayard, New Mexico, USA
14 x 11 x 0.75 cm
Fluorite Crystals on Barite
Berbes Mining Area, Ribadesella, Asturias, Spain
13 x 11.5 x 5.5 cm

Ametrine Crystal
Anahi Mine, Santa Cruz Department, Bolivia
11.5 x 5.5 x 3.5 cm
Fluorite Balls on Quartz
Mahodari, Sinnar, Nashik District, Maharashtra, India
8 x 6 x 4.5 cm
Roselite Crystals on Dolomite
Aghbar Mine, Bou Azer District, Tazenakht, Ouazazate Province, Dria-Tafilalet Region, Morocco
7 x 6.3 x 4.7 cm
Quartz Crystal Cluster (Titanium Treated)
8 x 5.5 x 5 cm
Wulfenite on Mimetite
Ojuela Mine, Mapimi, Durango, Mexico
8 x 5 x 3 cm

Quartz var. Citrine Crystal Cluster
Olkhovka, Tyumenskaya Oblast, Polar Urals, Western-Siberian Region, Russia
11 x 7.2 x 5.4 cm
Barite with Sphalerite & Calcite
Elmwood Mine, Carthage, Smith County, Tennessee, USA
10.3 x 5.8 x 5.1 cm
Ex-Rick Dalrymple Collection

Gypsum Crystal Cluster (Double terminated/multi-terminated group)
Zimmersrode Quarry, Zimmersrode, Neuental, Schwalm-Eder, Kassel Region, Hesse, Germany
13.1 x 8.3 x 6.2 cm
Ex-Kurt Hefendehl Collection

Barite Crystal Cluster
Baia Sprie, Maramures, Romania
15 x 10 x 3.5 cm
Calcite Crystal Cluster (Rare Locality Specimen)
Kaiser Wilhelm Mine, Clausthal-Zellerfeld, Goslar District, Lower Saxony, Germany
14.2 x 11.7 x 5.8 cm
Ex-Kurt Hefendehl Collection
Quartz var. Amethyst Flower
Ametista do Sul, Rio Grande do Sul, Brazil
12.3 x 9.3 x 7.3 cm
Ex-Bob Reynolds Collection

Quartz Crystal Cluster with Halloysite Inclusions
Cabiche, Quipama, Western Boyaca, Boyaca, Columbia
10 x 9.5 x 4 cm
Chalcopyrite 'towers' with Sphalerite & Quartz
Shuikoushan Ore Field, Changning County, Hengyang, Hunan Province, China
12.6 x 11.6 x 8.2 cm
Ex-Kurt Hefendehl Collection
Quartz var. Amethyst Crystal Cluster
Anahi Mine, Santa Cruz Department, Bolivia
27 x 25 x 13 cm
An impressive, museum size cluster of purple tipped, lustrous, gemmy to translucent Amethyst crystals from the Anahi Mine. In very good condition.
A fine specimen of gemmy, lustrous Green Fluorite crystals on matrix from the famous Rogerley Mine. In super condition.
Opposite Side
A very aesthetic specimen of two generations of lustrous & gemmy Fluorite crystals, i.e., one yellow and one glassy white from the Longyan Mine. Full coverage on both sides and in fine condition.
Nice specimen of lustrous, black octahedral Magnetite crystals on matrix. In very good condition.
Opposite Side
Opposite Side
Opposite Side
A beautiful nest of gemmy Herkimer style Quartz crystals on matrix. In fine condition.
Attractive specimen of golden Wulfenite crystals on Descloizite with Calcite. In fine condtion.
Striking, pristine, translucent, light yellow Fluorite balls dramatically perched atop a Quartz matrix. Botryoidal Fluorite is rare in nature, coming from only a few localities. In fine condition.
Aesthetic cluster of gemmy to translucent, light green blades of Barite averaging 3 cm in size. In very good condition. Dates to about 1980.
Beautiful crystals of gemmy natural Quartz var. Citrine (not irradiated). These five Citrine cystals are fully terminated with a gorgeous internal glow, which is very noticeable through glassy reflective faces. In very good condition.
A very aesthetic formation of dark blue Fluorite crystals with Quartz from an uncommon locality in Odisha, India. Presents well on both front and back. In very good condition.
A classic Berbes combination of blue and colorless Fluorite crystals with blades of Barite. In very good condition.
 A nice specimen of Copper veins in matrix from the Chino Mine. In fine condition.
A beautiful and impressive near "floater" specimen of many gemmy, colorless, prismatic Gypsum crystals with good luster - creating an eye appealing star like formation. The largest crystal is double terminated and all the other crystals shoot off in multiple directions creating a scintillating display.  Beautiful on both sides. In fine condition.
A stunning specimen of beautiful Amethyst "flowers" from Ametista do Sul. This piece is not just a single radial "flower", but rather a multi-group of dozens of sharp, lustrous, well formed translucent hexagonal prisms ranging in color from light purple hues to nearly white/colorless. It is crystallized on both sides with crystals flaring off in many directions. In fine condition.
An attractive and rare specimen of Calcite from the Kaiser Wilhelm Mine filled with gorgeous tapered scalenohedral crystals measuring up to 3.7 cm long, with a gentle resinous luster, soft golden hue and good internal translucency. Some of the crystals have a coating of tiny sparkling Quartz crystals.  Even better in person. In fine condition.
An unusual and rare specimen that is dominated by lustrous(metallic) brass yellow to iridescent towers of Chalcopyrite consisting of countless tetragonal crystals up to 8mm. There are three translucent, resinous lustered, red-yellow-amber colored gemmy Sphalerites measuring up to 3.3 cm. Late stage Calcites and Calcite druze add a pleasing accent to the Chalcopyrites. Presentable on both sides. In nearly pristine condition.
Opposite Side
This nice specimen is made in a unique fashion by vaporizing Titanium and other metal oxide molecules, which fuse with the crystal Quartz in a vacuum chamber. In fine condition.
 A very aesthetic intermixing of lustrous & gemmy to translucent Wulfenite cubes with green Mimetite crystals. In fine condition. 
Translucent, sparkling light green Fluorite mini-clusters on solid Fluorite matrix. The brown material is an un-identified mineral, which adds a nice contrast for the Fluorite. Even better in person. In very good condition.
Beautiful, gemmy, ruby-red Roselite crystals on Dolomite. In fine condition.
Andradite Garnet Cluster with Calcite
Huanggang Mine, Inner Mongolia, China
8.7 x 5.6 x 3.8 cm
A unique and beautiful specimen of well crystallized Andradite Garnet featuring a sharply defined group of olive green crystals with minor Calcite. Close examination reveals that the lighter green crystals are actually a second generation over much darker first generation.
A beautiful specimen featuring a pair of "snowball' groups of soft beige colored Barite measuring up to 4.1 cm across, sitting on dark reddish brown "ruby jack" Sphalerite, with individual crystals measuring up to 1.2 cm, and associated with accenting "jewel" like scalenohedra of golden Calcite up to 1.4 cm in length. In fine condition.
Beautiful specimen of Ametrine, which is a naturally occurring variety of Quartz. It is a mixture of Amethyst and Citrine with zones of purple and yellow or orange. The color of the zones visible within Ametrine are due to differing oxidation states of iron within the crystal.
Danburite Twin Crystals
Charcas, Mun. de Charcas, San Luis Potosi, Mexico
12.1 x 4 x 2.3 cm

A very nice, lustrous  twin crystal of Danburite with slight pinkish hue. In very good condition. 
This specimen of "Mango Quartz" is a lovely crystal group featuring sharp, lustrous, prismatic crystals with eye-catching yellow inclusions of Halloysite in the terminations.

Spessartine Garnets on Orthoclase
Tongbei Area, Fujian Province, China
13 x 8.5 x 4 cm
Stunning specimen of gemmy, lustrous, honey colored Spessartine Garnets on matrix of contrasting Orthoclase crystals. In fine condition.
Mixed Minerals
Rocks and Minerals. Mineral, Rock and Crystal Dealer. Check out our high
quality selection.
Ordering Information
Privacy Statement
Edward David
Illinois Fluorites