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Rocks and Minerals. Rock, Mineral and Crystal Specimens. 
Mineral Dealer specializing in cabinet size fine minerals
Mixed Minerals
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Edward David
Illinois Fluorites
Super gemmy amber Barite crystals with sharp tabular shape on matrix. In fine condition.
Barite Crystals on Matrix
Sherman Mine, Upper Iowa Gulch, Leadville District, Lake County, Colorado, USA
9 x 6.5 x 4 cm
JR 103
Fluorapatite Crystal on Calcite
Slyudyanka, Lake Baikal Area, Irkuutsk Oblast, Russia
6.3 x 5.2 x 3.9 cm
Ex-Kay Robertson Collection
A 3.0 cm terminated, beautiful teal green, gemmy to translucent Apatite crystal with satin luster and text book hexagonal form set on a blocky Calcite matrix. In fine condition.
Wulfenite Crystals on Matrix
Mibladen, Midelt, Khenifra Province, Morocco
11.3 x 9 x 2.7 cm
Ex-P.A. Matioli Collection
JR 113
Lustrous, translucent, butterscotch colored windowpanes of Wulfenite liberally covering a large, sturdy gossan Matrix. The crystals are up to 1.0 cm and there are very few broken ones, for all the crystal density.
Andradite Garnet Crystals with Epidote
Diakon, Kayes Region, Mali, Africa
6 x 3.5 x 1.5 cm
JR 120
​A very colorful group of translucent Andradite Garnet crystals with dark green Epidote on matrix. From a new find in Mali and features crystals of high luster with sharp edges and excellent color. In fine condition
JR 107
Vanadinite Crystal  on Matrix
Mibladen, Midelt, Khenifra Province, Morocco, Africa
11 x 7 x 3 cm
An exceptional specimen of numerous, lustrous, fire-red sharp  Vanadinite crystals thickly spread across a reddish colored matrix. In fine condition.
JR 100
Crocoite Crystals on Matrix
The Adelaide Mine, Dundas, Tasmania, Australia
9.25 x 9 x 8.5 cm
Beautiful specimen of bright red -orange, lustrous crystals of Crocoite on matrix. Presentable from several views. In fine condition.
JR 101
Giant Stilbite Bowties on Stilbite Covered Matrix
Jalgaon, Maharashtra, India
14.5 x 8.5 x 5 cm
Equisite cream colored, lustrous bowties of Stilbite on a matrix covered with numerous smaller stilbites. In fine condition.
Sphalerite var. Cleophane Crystals on Quartz 
Madan Ore field, Madan, Rhodope Mts., Bulgaria
7 x 5 x 3 cm
JR 102
Excellent dark amber, gemmy crystals of Sphalerite perched on a plate of Quartz crystals. In fine condition. 

JR 104
Vanadinite Crystals on Barite
Mibladen, Midelt, Khenifra Province, Morocco
8.5 x 5 x 2.5 cm
A gracefully composed and colorful specimen featuring numerous beautiful small gemmy window pane crystals of blood red Vanadinite adorning nicely contrasting white blades of Barite. In fine condition.
JR 105
Gypsum var. Selenite Crystals on Selenite
Red River Floodway, Winnipeg, Manitoba, Canada
7 x 5.5 x 2.5 cm
A nice example of golden Selenite with excellent crystal definition and clarity. Complete all around and in fine condition.
JR 108
Fluorite Crystal Cluster on Quartz
Fujian Province, China
7 x 7 x 2.5 cm
Lovely cluster of modified Fluorite crystals with clear to dark blue coloring perched on a Quartz matrix. In fine condition.
Grossular Garnets on Matrix
Sierra de Crucas, Hercules, Coahuila, Mexico
9 x 7 x 7 cm
JR 109
Pretty specimern of lustrous ruby red crystals of Grossular Garnets on matrix. In very good condition.
JR 110
Mimetite Crystals on Matrix
Ojuela Mine, Mapimi, Durango, Mexico
9.8 x 6.4 x 2.8 cm
Ex-Chet Lemanski Collection
Great specimen featuring gorgeous botryoidal aggregates of bright yellow-green colored Mimetite measuring up to 3 mm. In fine condition.
JR 111
Andradite Garnets var. Topazolite on Matrix
Cerrro De La Concordia, Piedra Parada, Tatatila Minicipality, Veracruz, Mexico
8 x 7.5 x 4.5 cm
Stunning specimen of lustrous, gemmy green Andradite Garnets var. Topazolite on matrix. The crystals show excellent dodecahedral faces with some minor trapezohedral modifications. 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. Almost all commercially available Ametrine is mined in Bolivia.

The color of the zones visible within Ametrine are due to differing oxidation states of iron within the crystal. 
JR 112
Ametrine Crystal
Anahi Mine, Santa Crus Department, Bolivia
11.5 x 5.5 x 3.5 cm
Back View
JR 114
Calcite Crystals on Matrix
Irai, Rio Grande dol Sul, Brazil
16 x 14 x 6 cm
 Numerous Calcite scalenohedrons richly cover a dark basalt matrix. In fine condition. 
JR 115
Calcite Crystals on Matrix
Elk Creek, Meade County, South Dakota, USA
11 x 6.5 x 6 cm
Very attractive golden yellow, translucent, lustrous rhombohedral crystals of Calcite measuring to 2 cm on matrix.
JR 116
Vanadinite Crystal Cluster on Matrix
Mibladen, Midelt, Meknes-Tafilalet, Morocco, Africa
4 x 2.5 x 2.5 cm
Nice cluster of blood red, lustrous, hexagonal Vanadinite crystals on matrix. In fine condition.
JR 117
Fluorite Crystals on Matrix
Xianghuapu Mine, Hunan Province, China
9.5 x 7 x 3 cm
Nice specimen of light green, gemmy Fluorite crystals on matrix. In fine condition.
JR 118
Stunning specimen of super gemmy, highly lustrous Calcite crystals measuring to 3.5 x 3.5 cm nicely perched on Dolomite. In pristine condition.
Calcite Crystals on Dolomite
La Florida mining area, Sierra de Arnero, Cantabria, Spain
31 x 11.5 x 4 cm
JR 119
Wulfenite Crystals on Matrix
Red Cloud Mine, Silver District, Trego Mts., La Paz County, Arizona, USA
6.5 x 5.5 x 3.5 cm
Pretty, gemmy, lustrous red Wulfenite crystals measuring to 0.5 cm on matrix. In fine condition.
JR 119
Hemimorphite Crystals on Matrix
79 Mine, Gila County, Arizona, USA
7 x 4.5 x 3 cm
Beautiful, light blue radiating clusters of Hemimorphite crystals on matrix. In fine condition.
JR 121
Quartz var. Amethyst on Quartz Covered Matrix
Gobobo Mountains, Erongo Region, Namibia, Africa
8 x 6.5 x 4 cm
Very aesthetic specimen featuring a water clear 4 x 1 cm Amethyst crystal positioned in the center-middle of a Quartz covered matrix. In fine condition.
JR 122
Fluorite Crystal on Chalcedony
Kavalerovo Mining District, Dal'negorsk, Russia
8 x 8 x 4.5 cm
A beautiful, light green, translucent Fluorite crystal measuring 2.5 x 2 cm nicely positioned on a Chalcedony covered matrix. In fine condition.
JR 123
Kyanite  Crystals on Quartz
Governador, Valadares, Minas Gerais,   8.5 x 4.5 x 2.5 cm
Nice specimen of dark blue Kyanite crystals on Quartz. In very good condition.
JR 106