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Rocks and Minerals. Rock, Mineral and Crystal Specimens. 
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Mixed Minerals 6, page 2
Mixed Minerals
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Edward David
Vanadinite Crystals on Barite
Mibladan, Khénifra Province, Meknès-Tafilalet, Morocco
7 x 5.5 x 3 cm
Blood red, lustrous, hexagonal crystals of Vanadinite on Barite.
Twinned crystals of the popular collection mineral - Cerussite (also known as lead carbonate or white lead ore), and an important ore of lead. The name is from the Latin cerussa, white lead.
Cerussite Crystal Cluster
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia, Africa
 5.5 x 5.5 x 3.5 cm
 Ex-Jorge Diaz Asenjo Collection
Prehnite Crystal Cluster
New Street Quarry (Burger's Quarry), Paterson, Passaic Co., New Jersey, USA
10 x 6.5 x 4 cm
Pretty, light green, botryoidal Prehnite.
Calcite Crystal on Matrix
Elmwood Mine, Carthage, Smith County, Tennessee, USA
9.5 x 6 x 4 cm
Nice, light yellow, double terminated Calcite crystal, measuring 6.5x3x2 cm, on matrix from the renowed Elmwood Mine.
Chatoyant Malachite and Azurite
Liufengshan Mine, Guichi District, Chizhou Prefecture, Anhui Province, China
9 x 7 x 4.5 cm
Very aesthetic specimen of chatoyant Malachite with Azurite crystals. Chatoyancy is when light is reflected within the mineral. It is an effect usually caused by a fibrous growth.
Drusy Quartz on Chrysocolla
Manto Tres Gracias Mine, Diego de Almagro, El Salado, Chañaral Province, Atacama Region, Chile
7.5 x 5.5 x 3.5 cm
Calcite Crystal Cluster with Iridescent Marcasite
Brushy Creek Mine, Greeley, Viburnum Trend District, Reynolds County, Missouri, USA
10.5 x 6 x 4 cm
Excellent example of the unique Calcite from the Brushy Creek Mine. This mine is famous for its large gray scalenohedral Calcite crystals, many showing phantom crystals, sprinkled with a combination mix of Chalcopyrite/Marcasite. 
Quartz var. Amethyst Crystals on Matrix
Piedra Parada (Las Vigas), Municipio De Tatatila, Veracruz, Mexico
10.5 x 9 x 5 cm
Pyrite Crystals with Sphalerite
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru
10.5 x 5.5 x 5 cm
Sphalerite Crystal Cluster with Pyrite
Trepča Stan Terg Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, District of Kosovska Mitrovica, Kosovo
13 x 7 x 4 cm
Fluorite Crystal Cluster with Calcite
Xianghualing Mine, Linwu County, Chenzhou Prefecture, Hunan Province, China
 7 x 6 x 5 cm
Calcite "Star" on Phantom Quartz
9th September Mine, Madan District, Rhodope Mountains, Bulgaria
9.1 x 8.7 x 4.7 cm
Ex- Rick Hottel Quartz Collection
Disc shaped rhombs of lustrous, ivory colored Calcite (to 4.5 cm) aesthetically perched like a "star" atop a pincushion matrix of translucent, nearly colorless Quartz crystals to 2.5 cm in length. A very unique specimen. In fine condition and even better in person.
Sphalerite var. Cleophane Crystals with Calcite
9th Septemvri Mine, Madan Ore Field, Rhodope Mountains, Smolyan Oblast, Bulgaria
7 x 3.5 x 2.5 cm
Fine specimen of twinned Sphalerite crystals with very well defined faces and edges. Partially coated with very bright Pyrite crystals that have the dominant forms of a pyritohedron. Presentable from both sides.
Opposite Side
Light blue, sparkling spheres of drusy Quartz on Chrysocolla. Rare and very pretty.
Attractive distribution of Amethyst on contrasting matrix.
Excellent specimen of super lustrous Pyrite crystals with well defined, jet black Sphalerite crystals from a recent find in the Huanzala Mine. In fine condition.
Gemmy, green cluster of Fluorite crystals with Calcite from a new find in the Xianghualing Mine. In fine condition.
Most of the Cleophanes were mined from the 9th September Mine back in the '90s and they have been conspicuously absent from the market for a long time except for specimens held back in some dealer's stock. The Cleophane variety of Sphalerite has always been held in high regard by collectors because of the translucent olive green color and rarity of the crystals.
Check out the Pink Fluorite with Pyrite & Galena, Witherite, Stibnite on Quartz with Calcite, Native Copper, Manganoan Calcite, Clinozoisite with Quartz, Pyrite Crystals on Matrix, Quartz Crystals with Hematite Rosettes, Fluorite on Quartz, Arsenopyrite Crystal Cluster with Pyrite, Galena Crystals with Calcite & Sphalerite, Quartz on Chrysocolla, Celestite Crystal Geode, Cuprian Adamine on Limonite, Barite Crystals with Silvery Pyrite Druse, Chatoyant Malachite & Azurite, Drusy Quartz on Chrysocolla, Calcite Crystal Cluster with Iridescent Marcasite, Quartz var. Amethyst, Pyrite Crystals with Sphalerite, Sphalerite Crystal Cluster with Pyrite, Fluorite with Calcite, Calcite "Star" on Phantom Quartz, Sphalerite var. Cleophane with Calcite, Vanadinite on Barite, Cerussite, Prehnite and Calcite Crystal on Matrix mineral specimens on this page.
Illinois Fluorites
Jeff Scovil Photo

Wonderful complex, gemmy, pinkish Fluorite crystal with Pyrite & Galena from a limited find in the Huanzala Mine several years ago. I delayed listing this fine specimen for two years, during which I tried to take a satisfactory photo (difficult due to high translucency and faceted/textured surface). Finally, giving up, I asked Jeff Scovil to photograph it and the result gives the specimen the justice it deserves, but it is still even better in person. Thanks Jeff !!
Rare, twinned crystals of Witherite on matrix. Witherite was named for William Withering (1741-1799) an English physician and naturalist who in 1784 published his research on the new mineral.
Clusters of thick Stibnite crystals on a nicely contrasting plate of Quartz with Calcite.
Pink Fluorite Crystal with Pyrite & Galena
Huanzala Mine, Huallanca District, Dos de Mayo Province, Peru
8.5 x 6.5 x 5 cm
Mahoning #4 Mine, Hardin County, Illinois, USA
4.5 x 4 x 3 cm
Ex-Gregory Crenko Collection
Stibnite Crystals on Quartz with Calcite
Baiut, Bai Mare, Maramures, Romania
13.5 x 10.5 x 5 cm
Attractive crystalline Native Copper from the Morenci Mine in Arizona. Even better in person.
Native Copper
Morena Copper Mines, Morena, Arizona, USA
13 x 7 x 0.5 cm
Ex-Hugh Hammerslag Collection
Excellent cluster of  translucent, slightly pink Manganoan Calcite crystals, which exhibit nice fluorescence under UV light.
Very fine "berber carpet" of deep olive green Clinozoisite crystals on an alkaline subvolcanic dolerite msatrix plate matrix. The Clinozoisites have such a good luster, there is almost an iridescence to them. There are several excellent, gemmy Quartz crystals emeging from the Clinozoisites. Clinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca2Al3(Si2O7)(SiO4)O(OH). It forms a continuous solid solution series with Epidote by substitution of iron(III) in the aluminium (m3 site) and is also called aluminium Epidote.
Shiny Pyrite crystals to 2 x 1 cm on matrix.
Manganoan Calcite Crystal Cluster
Manaoshan, Hunan Province, China
13.5 x 9 x 4.5 cm
Clinozoisite Crystals with Quartz
Los Serranos Quarry, Hondón de los Frailes, Albatera, Alicante, Valencian Community, Spain
11 x 9 x 4.5 cm
Pyrite Crystals on Matrix
Navajún, La Rioja, Spain
11 x 10 x 4.5 cm
This is a very fine specimen of well defined Hematite rosettes with glassy, non-hematinic Quartz crystals providing a very aesthetic contrast. In fine condition.
Quartz Crystals with Hematite Rosettes
Tongbei, Yunxiao, Zhangzhou Prefecture, Fujian Province, China
11.5 x 9.5 x 6.5 cm
 Ex-Jorge Diaz Asenjo Collection
Beautiful purple Fluorite crystals (to 2.5 x 2 cm) on white Quartz. Very nice Berbes Fluorites like this one are hard to come by as the locality is long defunct.
Fluorite Crystals on Quartz
Berbes, Berbes Mining Area, Ribadesella, Asturias, Spain
9.1 x 7.3 x 5.4 cm
An outstanding and rare specimen of numerous well terminated prismatic Arsenopyrite crystals on Pyrite. Comes with a custom made, labeled acrylic stand. In excellent condition.
Wonderfull specimen of nicely separated large, super lustrous crystals of Galena contrasted against the light gray substate vs. the more common mass of crystals typical of the locale. Some accenting Calcite and Sphalerite, as well. This is a very good investment quality specimen. In excellent condition.
Arsenopyrite Crystals on Pyrite
Pachapaqui District, Ancash Department, Peru
14 x 9 x 7 cm
Galena Crystals with Calcite and Sphalerite on Matrix
Central Petrovitza Mine, Madan District, Southern Rhodope Mountains, Bulgaria (Mined 2009)
16.5 x 11 x 8 cm
James Brown Personal Collection
Another superb specimen with great aesthetics,but hard to catch in a photograph due to the druse of silvery Pyrite on the Barite crystals. It is far better in person !!
Barite Crystals with Silvery Pyrite Druse
Cerro Warihuyn, Miraflores, Huamalies Province, 
Huanuco Department, Peru
12.5 x 8.5 x 4 cm
Cuprian Adamite on Limonite
Ojuela Mine, Mapimi, Durango, Mexico
11 x 9 x 4 cm
Ex-Betty Kalaskie Collection
Rich coverage of Cuprian Adamite crystals on Limonite.
Excellent Celestite Geode with a very gemmy, sky blue large chisel shaped crystal in the center.
Celestite Crystal Geoge
Sakoany, Katsepy, Mahajanga, Madagascar
17 x 12.5 x 9.5 cm
Glittery covering of micro crystals of Quartz on Chrysocolla.
Quartz on Chrysocolla
Inca de Oro, Chañaral Province, Atacama Region, Chile
8 x 6.5 x 4 cm