Sulphide Mineral Collection

Rock concretions and minerals C016 / 4850
Rock concretions and minerals. Clockwise from upper left: septarian nodule, fractured flint nodule, fractured pyrite nodule and a selenite desert rose

Cinnabar
Twinned dark red cinnabar crystals with small quartz crystals. Cinnabar comprises of (mercury sulphide). Specimen from the Natural History Museum, London

Niccolite mineral with metallic lustre, comprises of nickel arsenide. It is also known as coppernickel and nickeline. This specimen is from the Natural History Museum, London

Sperrylite is a platinum di-arsenide (PtAs2) which occurs rarely in a few localities across the world. This specimen originates from South Africa, and is of exceptional quality

Galena C016 / 6087
Galena (lead sulphide). Specimen number BM 42141, from Heredsfoot Mine, Cornwall, UK. Natural History Museum, London, U

Arsenopyrite crystals C016 / 6080
Arsenopyrite (iron arsenic sulphide). Specimen number BM 20204, from the Virtuous Lady Mine, Buckland Monachorum, Devon, UK. Natural History Museum, London, UK

Arsenopyrite crystals C016 / 6081
Arsenopyrite (iron arsenic sulphide). Specimen number BM 20204, from the Virtuous Lady Mine, Buckland Monachorum, Devon, UK. Natural History Museum, London, UK

Bournonite C016 / 5699
Bournonite (copper lead antimony sulphide), or cog-wheel ore. Cog wheel ore contains the mineral chromite, although it is difficult to extract from crystals. Natural History Museum, London, UK

Chalcocite crystals C016 / 5658
Chalcocite (copper sulphife). Dull black twinned crystal with white calcite (schiefer spar). Specimen from the Levant mine, St. Just, Cornwall, UK

Tetrahedrite C016 / 5654
Tetrahedrite (copper antimony sulphide). This specimen displays flat-faced tetrahedral shaped crystals. Specimen from Herodsfoot mine, Cornwall, UK, now on display at the Natural History Museum

Tetrahedrite C016 / 5655
Tetrahedrite (copper antimony sulphide). This specimen displays flat-faced tetrahedral shaped crystals

Pyrite C016 / 5650
Pyrite (iron sulphide) is also known as fools gold. It often forms in cavities and nodules. Specimen from the Kelly Mine, Montana, USA

Pyrite C016 / 5651
Pyrite (iron sulphide) is also known as fools gold. It often forms in cavities and nodules. Cubic clustered specimen from Bonanza mine, Mexico

Tennantite C016 / 5627
Tennantite. Crust of sparkling silvery metallic examples of tennanite (copper arsenic sulphide). It has been partly altered by copper rust. Specimen from Relistan mine, Cornwall, UK

Tetrahedrite mineral specimen C016 / 4992
Tetrahedrite mineral specimen. Crystals (yellow) of the mineral tetrahedrite (copper antimony sulphide). This specimen is from Herodsfoot Mine, Liskeard, Cornwall, UK

Plate 6a from Histoire naturelle? (1789)
Plate 6a, Histoire Naturel Des Mineraux, from Histoire naturelle: ou, Exposition des morceaux, les mieux choisis pour servir? (1789) by by Swebach Desfontaines

Chalcopyrite or copper pyrite comprises of (copper iron sulphide). It is a common mineral and is found in almost all sulphide deposits. Specimen from Wheal Towan, Cornwall

Arsenopyrite
Specimen number BM 20204, from the Virtuous Lady Mine, Buckland Monachorum, Devon, England

Pyrite, Fools Gold
Regular, cube-shaped crystals look as if they ve been polished but are formed like this within rock cavities. Pyrite comprises of (iron sulphide)

Marcasite comprises of (iron sulphide). It is similar in appearance to pyrite, but has a different structural composition

Brownfield (1973) H3. 7 ordinary chondrite
This meteorite fell in Texas in 1937. It has very small chondrules, plus highly-reflective metal and sulphide grains can easily be picked out

Chalcosine
Dull black twinned crystal with white calcite (schiefer spar). From the Levant mine, St. Just, Cornwall, UK

Sphalerite
Drusy aggregates of black lustrous crystals. Sphalerite or zinc blende comprised of (zinc iron sulphide). Specimen from Nenthead, Cumbria

Realgar comprises of (arsenic sulphide). It is also known as ruby sulphur and is a rare non-metallic sulphide mineral. Specimen from the Natural History Museum, London

Pentlandite comprises of (iron nickel sulphide). This mineral does not produce good crystals and is usually found in massive form. Specimen from the Natural History Museum, London

Trechmannite
A red crystal of trechmannite comprised of (silver arsenic sulphide). A specimen from the collections of the Natural History Museum, London

Tetrahedrite

Millerite comprises of (nickel sulphide) and is characterized by hair-like fibrous crystals arranged into sprays. Specimen from the collections of the Natural History Museum, London

Sphalerite or zinc blende
Dark crystals of sphalerite or zinc blende comprised of (zinc iron sulphide). Specimen from the collections of The Natural History Museum, London

Bornite
A specimen of the mineral Bornite. This specimen is from the collections held at the Natural History Museum, London

Jamesonite comprises of lead iron antimony sulphide, and is characterized by hair-like fibrous crystals. This specimen is from the collections held at the Natural History Museum, London

Cobaltite

Chalcophyllite
Chalcopyrite or copper pyrite comprises of (copper iron sulphide). Its a common mineral and found in almost all sulphide deposits

Molybdenite comprises of (molybdenum sulphide) and is a very soft, highly lustrous metallic mineral. Specimen from the collections of the Natural History Museum, London

Chalcosine, from the St Ives Consols mines, Cornwall
A specimen of the mineral chalcosine, a detached group of lenticular, pseudo-hexagonal crystals, the largest about 12 mm across from St Ives Consols mines, Cornwall, U.K

Boulangerite comprises of (lead antimony sulphide) and is characterized by fine, fibrous crystals. This specimen is from the Natural History Museum, London

Stephanite

Centipede in Baltic amber
Centipede, Chilopoda in Baltic amber. The centipede has been half polished away and is filled with pyrite crystals

Plate 9a from Histoire naturelle? (1789)
Plate 9a, Mineralogie, from Histoire naturelle: ou, Exposition des morceaux, les mieux choisis pour servir? (1789) by by Swebach Desfontaines

Gersdorffite comprises of (nickel arsenic suphide). It is associated with hydrothermal veins and magma derived from sulphite deposits. Specimen from the Natural History Museum, London

Pyrite specimen

The Bustee aubrite
Photograph of the Bustee aubrite, a light-coloured meteorite containing brown oldhamite crystals

Bournonite or cog-wheel ore comprises of (copper lead antimony sulphide). Cog wheel ore contains the mineral chromite, though it is difficult to extract from crystals

Tennantite
Crust of sparkling silvery metallic examples of tennanite (copper arsenic sulphide) some partly altered by copper rust in cavity in matrix. Specimen from Relistan mine, Cornwall

Acanthite
A specimen of the mineral acanthite (silver sulphide). Acanthite is a sliver based mineral and black in colour

Galena
A specimen of the mineral galena (lead sulphide) which is a major ore of lead as well as silver. This specimen is from Wanlockhead mine Dumfriesshire, Scotland

Stibnite (antimony sulphide) is a metallic mineral with fine, long crystal clusters. Specimen from the collections of the Natural History Museum, London

Lapis lazuli from Afghanistan
Polished slab of lapis lazuli containing some brassy-coloured pyrite. Lapis lazuli (sodium calcium aluminum silicate sulphur sulphate) is a rich blue opaque, semi-precious stone

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Sulphide minerals, such as Cinnabar, Niccolite, Sperrylite, Galena C016 / 6087, Arsenopyrite crystals C016 / 6080 and C016 / 6081, Bournonite C016 / 5699, Chalcocite crystals C016 / 5658, Tetrahedrite C016 / 5654 and C016 / 5655, as well as Pyrite C016 / 5650 and C016/5651 are fascinating specimens that showcase the beauty of nature's geological formations. These minerals are composed primarily of sulphur combined with various metallic elements. Cinnabar is a vibrant red mineral known for its mercury content. Its striking color makes it highly sought after by collectors and artists alike. Niccolite exhibits a unique copper-nickel blend that gives it a distinct silver-white appearance. Meanwhile, Sperrylite stands out with its platinum arsenide composition which contributes to its rarity in the mineral world. Galena is an important lead ore that has been used throughout history for various purposes including cosmetics and even ammunition manufacturing. The mesmerizing Arsenopyrite crystals exhibit intricate formations under close inspection while Bournonite showcases complex twinning patterns. Chalcocite crystals display stunning dark grey or black hues due to their high copper content. Tetrahedrite is recognized for its tetrahedral crystal structure along with its silver-gray coloration. Lastly but not leastly Pyrite shines bright with golden metallic luster resembling fool's gold. These sulphide minerals offer more than just aesthetic appeal; they also play significant roles in our understanding of Earth's geology and mining industry. Their diverse compositions provide valuable insights into the formation processes within our planet's crust. Whether admired for their visual allure or studied for scientific purposes, these sulphide minerals continue to captivate enthusiasts worldwide with their remarkable characteristics and contributions to the world of geology.