John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide) (Golden variety), a major ore of copper. Sample from China.
01346289
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Madan, Bulgaria.
01346246
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead.
01346253
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Madan, Bulgaria.
01346227
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead, on Quartz (SiO2), the most common mineral in the Earth's crust. Sample from Madan, Bulgaria.
01346284
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Sweetwater Mine, Reynolds County, Missouri, USA.
01346180
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Sweetwater Mine, Reynolds County, Missouri, USA.
01346245
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead.
01346241
John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide), a very important economic ore (Golden variety). Sample from Peru.
01346250
John Cancalosi / Fluorite (CaF2, calcium fluoride) on Sphalerite (ZnS, zinc sulfide). Fluorite is a source of fluorine-used in the manufacture of milk glass-as a flux for the steel industry and in refining of aluminum...
01346240
John Cancalosi / Hematite, the main ore of iron. Sample from Luna County, New Mexico.
01346267
John Cancalosi / Galena (PbS, lead sulfide), the main ore of lead. Sample from Tri State District, Joplin Missouri, USA.
01346263
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead, with Sphalerite. Sample from Gjudurska Mine, Madan district, Southern Rhodope mountains, Bulgaria.
01346234
John Cancalosi / Hemimorphite (zinc silicate), an important ore of zinc. Sample from Mina Ojuela, Mapimi, Durango, Mexico.
01346197
John Cancalosi / Celestite containing strontium sulfate (SrSO4), an ore of strontium. Sample from Clay Center, Ohio, USA.
01346185
John Cancalosi / Hausmannite on Garnet (Andradite), a manganese ore. Sample from South Africa, N'Chwaning Mines, South Africa.
01346193
John Cancalosi / Sphalerite, the main ore of zinc. Sample from Joplin, Missouri, USA.
01346276
John Cancalosi / Orpiment, an ore of arsenic. Sample from Shimen Mine, Hunan, China.
01346275
John Cancalosi / Chalcopyrite (CuFeS2) (Golden variety), the major ore of copper. Sample from Herja, near Baia Mare, Romania.
01346260
John Cancalosi / Galena (the main ore of lead) and Chalcopyrite (ore of copper). Sample from Giudiurska mine, Zlatograd, Bulgaria, .
01346214
John Cancalosi / Chrysocolla (hydrated copper silicate), a minor ore of copper. Sample from Arizona, USA.
01346242
John Cancalosi / Smithsonite (zinc carbonate, ZnCO3), a mineral ore of zinc, Also known as zinc spar, Discovered by and named for James Smithson whose bequest established the Smithsonian Institute, Colors range from w...
01346199
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead; and spalerite (black), an ore of zinc. Sample from Tri State District, Joplin Missouri, USA.
01346266
John Cancalosi / Bauxite (the main ore of aluminium) with Red Ocher. Sample from Dixie Mine, Pulaski County, Arkansas, USA.
01346204
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Tri State District, Joplin Missouri, USA.
01346268
John Cancalosi / Galena (PbS, lead sulfide), the main ore of lead. Sample from Tri State District, Joplin Missouri, USA.
01346252
John Cancalosi / Fluorite (CaF2) (calcium fluoride) on Sphalerite (ZnS) (zinc sulfide).Fluorite is a source of fluorine-used in the manufacture of milk glass-as a flux for the steel industry and in refining of aluminu...
01346233
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead.
01346184
John Cancalosi / Bauxite, the main ore of aluminium. Sample from Brazil.
01346229
John Cancalosi / Chrysocolla (hydrous copper silicate) an ore of copper. Sample from Congo.
01346248
John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide) (Golden variety), a major ore of copper. Sample from China.
01346190
John Cancalosi / Malachite (CuCO3(OH)2), Azurite (Cu3(CO3)2(OH)2, formed by weathering of copper sulfides near the surface of sulfide deposits. Sample from Morenci mine, Arizona, USA.
01346216
John Cancalosi / Calcite (CaCO3), one of the most common and variable minerals on earth, used in building, metallugy, fertilizers, chemical industry, rhodochrosite, MnCO3, manganese carbonate, an ore of manganese when...
01346182
John Cancalosi / Willemite, an ore of zinc. Sample from Sterling Hill, Ogdensburg, New Jersey, USA.
01346286
John Cancalosi / Azurite (copper carbonate), a minor ore of copper and used as gemstone and ornaments. Sample from Malbunka Copper Mine, Areyonga, Northern Territory, Australia.
01346203
John Cancalosi / Galena (PbS, lead sulfide), the primary ore of lead. Sample from Sweetwater Mine, Reynolds County, Missouri, USA.
01346279
John Cancalosi / Mimetite, a lead arsenate chloride mineral, forms as a secondary mineral in lead deposits, Resembles the mineral pyromorphite. Industrially a minor ore of lead, a popular collector's specimen. Sample...
01346186
John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulphide) (Golden variety), and galena on calcite. The major ore of copper, of high economic importance. Sample from Santa Eulalia, Mexico.
01346265
John Cancalosi / Zircon, the main ore of zirconium. Sample from Kusunugu, Malawi.
01346249
John Cancalosi / Pyrite (FeS2, Iron sulfide), popularly known as 'fool's gold'. Formerly used in the production of sulfuric acid. Sample from Peru.
01346183
John Cancalosi / Franklinite an ore of zinc, manganese and iron. Sample from Sterling Hill Mine, Ogdensburg, New Jersey, USA.
01346264
John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulphide) (Golden variety), the major ore of copper; galena, and shalerite. Sample from Krushev Dol mine, Bulgaria.
01346277
John Cancalosi / Columbite (Niobite), the main ore of niobium and used widely in industry; also a source of tantalum. Sample from Jacu claim, Equador, Borborema, Rio Grande do Norte, Brazil.
01346257
John Cancalosi / Barite (BaS04), the main ore of barium, with Chalcopyrite. Mineral class: sulfates, barite is an important commercial mineral, widely used as a pigment, and used in medical tests. Sample from Dreislar...
01346202
John Cancalosi / Hemimorphite, an ore of zinc. Sample from Sterling Hill Mine, Ogdensburg, New Jersey, USA.
01346192
John Cancalosi / Hubnerite (formery called wolframite, a major tungsten ore) and Quartz. Sample from Pasto Bueno, Peru.
01346283
John Cancalosi / Kunzite, ore of lithium. It is a pink to light purple variety of the mineral spodumene. Discovered in 1902 and named after geologist George F. King. Only popular as a gemstone since the 1990s, Used as...
01346201
John Cancalosi / Drill core sample showing quartz and pyrite in granite base rock. Sample from Butte, Montana, a site of rich copper deposit.
01346278
John Cancalosi / Tantalite, an iron manganese tantalum niobium oxide, The most widespread tantium mineral, Tantalite is an ore of tantalum, Tantalum is an industrially useful metal. Sample from Alto Quixaba Pegmatite,...
01346200
John Cancalosi / Stibnite (Sb2S3, antimony sulphide) an ore of antimony. Sample from China.
01324960
John Cancalosi / Azurite and Malachite, both very common secondary copper carbonate ores produced by copper sulphide weathering. Tongshankou Mine, Daye County, Huangshi Prefecture, Hubei Province, China
01324940
John Cancalosi / Vanadinite (Pb5(VO4)3Cl, Lead Chlorovanadate), one of the main ores of vanadium and a minor ore of lead. Mibladen, Morrocco
01320424
John Cancalosi / Calcite (Calcium carbonate, CaCO3). One of the most common and variable minerals on earth, used in building, metallugy, fertilisers and the chemical industry. Juchem Quarry, Idar-Oberstein, Hunsruck M...
01320423
John Cancalosi / Vanadinite (Lead Chlorovanadate, Pb5(VO4)3Cl). One of the main ores of vanadium and a minor ore of lead. Mibladen, Morrocco
01320416
John Cancalosi / Molybdenite (MoS2), mined for molybdenum disulphide (a lubricant) and molybdenum (Mo) used in steel alloys. Butte, Montana , USA
01318790
John Cancalosi / Vanadinite [Pb5(VO4)3Cl - Lead Chlorovanadate] crystals from Mibladen, Morrocco, One of the main ores of vanadium and a minor ore of lead
01318798
John Cancalosi / Realgar crystals [AsS / Arsenic sulfide (red)] on Orpiment [As2S3 / Arsenic tri sulfide (yellow)] from the Palomo mine, Huancavelica, Peru, Both are ores of arsenic
01318802
John Cancalosi / Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco - One of the main ores of vanadium and a minor ore of lead
01318807
John Cancalosi / Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco. One of the main ores of vanadium and a minor ore of lead
![Vanadinite [Pb5(VO4)3Cl - Lead Chlorovanadate] crystals from Mibladen, Morrocco, One of the main ores of vanadium and a minor ore of lead](http://nplimages.infradoxxs.com/cache/tcache/01318790.jpg "Vanadinite [Pb5(VO4)3Cl - Lead Chlorovanadate] crystals from Mibladen, Morrocco, One of the main ores of vanadium and a minor ore of lead")
![Realgar crystals [AsS / Arsenic sulfide (red)] on Orpiment [As2S3 / Arsenic tri sulfide (yellow)] from the Palomo mine, Huancavelica, Peru, Both are ores of arsenic](http://nplimages.infradoxxs.com/cache/tcache/01318798.jpg "Realgar crystals [AsS / Arsenic sulfide (red)] on Orpiment [As2S3 / Arsenic tri sulfide (yellow)] from the Palomo mine, Huancavelica, Peru, Both are ores of arsenic")
![Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco - One of the main ores of vanadium and a minor ore of lead](http://nplimages.infradoxxs.com/cache/tcache/01318802.jpg "Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco - One of the main ores of vanadium and a minor ore of lead")
![Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco. One of the main ores of vanadium and a minor ore of lead](http://nplimages.infradoxxs.com/cache/tcache/01318807.jpg "Vanadinite crystals [Pb5(VO4)3Cl / Lead chlorovanadate] from Mibladen, Morrocco. One of the main ores of vanadium and a minor ore of lead")