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Edward David
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.
Aesthetic formation of bluish Stalagmites of Chalcedony in a vug.
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.
Stunning Quartz crystal formation from the famous Emilio Mine in Spain.
Alluring plate of white to light blue highly translucent Barite blades.
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
Chalcedony Stalagmites in Vug
Aurangabad Forest Region, Maharashtra, India                                  
19 x 12 x 9.5 cm
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
Quartz Crystals
Emilio Mine, Lorone, Obdulia Vein, Colunga District, Caravia Mining Area, Asturias, Spain
12.5 x 8 x 6 cm

Blue Barite Crystal Cluster
Moscona Mine, Solis, Corvera de Asturias, Villabona Mining Area, Asturias, Spain
14 x 9 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
Beautiful, "vase-shaped"  formation of light cream colored Stilbite with clear Apophyllite crystals. Presents well from all sides.
Excellent Celestite Geode with a very gemmy, sky blue large chisel shaped crystal in the center.
Stilbite and Apophyllite "Flower Vase"
Jalgaon, Maharashtra, India
16 x 8 x 8 cm
Celestite Crystal Geoge
Sakoany, Katsepy, Mahajanga, Madagascar
17 x 12.5 x 9.5 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
A gorgeous growth of Calcite crystals with great luster and slight yellow tint, with an interesting texture on the back side.
In fine condition.
Back Side
Calcite Crystals
Wenshan Autonomous Prefecture, Yunnan Province, China
17 x 9 x 7 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
Fine, rich specimen of numerous well formed Bournonite crystals with some accenting Chalcopyrite on a cluster of Quartz crystals.
Bournonite, Chalcopyrite & Quartz
Morococha District, Yauli Province, Junin Department, Peru
16.5 x 8 x 4.5 cm
Ex-Jorge Diaz Asenjo Collection
Excellent specimen with well terminated,lustrous Hübnerite (MnWO4) crystals - in very good condition. It was first described in 1865 and named after the German mineralogist, Adolf Huebner.
Hübnerite & Quartz 
Mundo Nuevo Mine, Huamachuco, Sanchez Carrion Province, 
La Libertad Department, Peru
4 x 3.5 x 3 cm
Stunning cluster of delicate,clear yellow tablets of golden Barite on matrix.
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 Crystal Cluster
Cerro Warihuyn, Miraflores, Huamalies Province, 
Huanuco Department, Peru
8 x 4 x 4.5 cm
Barite Crystals with Silvery Pyrite Druse
Cerro Warihuyn, Miraflores, Huamalies Province, 
Huanuco Department, Peru
12.5 x 8.5 x 4 cm
A fine Moscona Mine golden Fluorite with adorning white Barite crystals and, several larger gemmy, blue Barite crystals.
Fluorite with Barite
Moscona mine, Solis, Llanera, Asturias, Spain
12 x 12 x 4.5 cm
Ex-Jorge Diaz Asenjo Collection
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
Back side
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.
Iridescent Quartz Crystal Cluster (Treated with Titanium)
Source Unknown
8 x 7 x 4 cm

Metal-coated crystals are natural crystals, such as Quartz, whose surface has been coated with metal to give them an iridescent metallic sheen. Crystals treated this way are used for decorative purposes. Possible coatings include gold (resulting in a stone called aqua aura), indium, titanium, niobium and copper. While not intended for serious mineral collectors -they are attractive and are nice gifts to those who like to decorate their desks or other display areas with a pleasing eye catcher.
This is one of those extra special Indian zeolite mineral specimens, as opposed to the vast majority being of poorer quality - unsuitable for discerning Collectors. This one has a very balanced spray of gemmy Fluorapophyllite crystals on a greenish Chalcedony matrix. The photo does not do it full justice, as to its beauty. In pristine condition.
Fluorapophyllite Crystal Cluster on Chalcedony
Jalgaon, Maharashtra, India
5 x 4 x 3 cm
Auganueva, State of Coahuila de Zaragoza, Municipality of Saltillo, Mexico
12.5 x 7.5 x 4 cm
Pretty Agate from Mexico.
Check out the Pink Fluorite with Pyrite & Galena, Witherite, Stibnite Crystals on Quartz with Calcite, Native Copper, Chalcedony Stalagmites in Vug, Manganoan Calcite, Clinozoisite with Quartz, Pyrite Crystals on Matrix, Quartz, Quartz Crystals with Hematite Rosettes, Fluorite Crystals on Quartz, Calcite, Arsenopyrite Crystals on Pyrite, Galena Crystals with Pyrite & Sphalerite, Bournonite with Chalcopyrite & Quartz, Hübnerite & Quartz, Barite, Barite Crystals with Silvery Pyrite Druse, Stilbite & Apophyllite, Celestite, Quartz on Chrysocolla, Cuprian Adamite on Limonite, Iridescent Quartz and Fluorapophyllite mineral specimens on this page.
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Illinois Fluorites