Sulfide Collection (page 2)

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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