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Large vase in crystalline agate decorated with animal heads. Chromolithograph by W. Griggs from Frederick Rathbones Old Wedgwood, the Decorative or Artistic Ceramic Work Produced by Josiah Wedgwood
Diorama. Extraction of salt. Wieliczka Salt Mine, PolandMining history. Diorama. Extraction of salt. Wieliczka Salt Mine, Poland. In use since the 18th century. Deutches Museum. Munich. Germany
Crystalline limestone, collected in the Himalayas, India by Dr Benza c.1837. NHM specimen number: BM 967
CinnabarTwinned dark red cinnabar crystals with small quartz crystals. Cinnabar comprises of (mercury sulphide). Specimen from the Natural History Museum, London
Susannite on Caledonite4mm crystal of susannite (carbonate) in a mass of caledonite (suplhate). Specimen from the Roughton Gill mine, Caldbeck Fells, Cumbria
Magnetite (iron oxide) specimen from Piedmont, Italy. From the collections of the Natural History Museum, London
RhodoniteA pink specimen of rhodonite (manganese iron magnesium calcium silicate). Rhodon is greek for rose. Specimen from the Natural History Museum, London
VarisciteA rare, bluish green, mineral, found in aluminum-rich rocks. Variscite comprises of (hydrated aluminum phosphate)
Carved carnelian bowlCarnelian is a transluscent yellow to orange variety of chalcedony (micro-crystalline quartz). This bowl was once the property of Sir Hans Sloane
ChalcedonyPolished slab of chalcedony with radiating structure. Chalcedony or agate is a variety of cryptocrystalline quartz (silicon dioxide)
ChondroditeChondrolite comprises of (magnesium iron silicate fluoride hydroxide) and often occurs in a granular form in crystalline limestones. Specimen from the Natural History Museum, London
ChalcophylliteChalcopyrite or copper pyrite comprises of (copper iron sulphide). Its a common mineral and found in almost all sulphide deposits
Braunite is a native oxide of manganese. Its crystals are dark brownish black in colour. Specimen from the Natural History Museum, London
Augelite comprises of (aluminum phosphate hydroxide). This specimen has well developed semi-transparent crystals and is from the Natural History Museum, London
Thomsonite
Emerald crystals and cut stoneEmerald is a variety of beryl (beryllium aluminum silicate). The rich, green colour is attributed to small amounts of chromium which is unmatched by any other mineral species
Enstatite comprises of (magnesium silicate) and derives from the pyroxene group. Specimen from the collections of the Natural History Museum, London
Stibnite (antimony sulphide) is a metallic mineral with fine, long crystal clusters. Specimen from the collections of the Natural History Museum, London
Ore mineralA painting of ore minerals by Miss F. Rashleigh from a specimen from the Philip Rashleigh collection. Artwork completed around 1800
Quartzite
Garnet cut stonesGrossular (calcium aluminum silicate) and demantoid cut gems resting on andradite (calcium iron silicate) crystals. All of which are types of garnet
Granite from Ailsa CraigA photomicrograph of granite taken between crossed polarisers. Granite is an igneous rock
Sulphur crystals partly coated with white granular crystalline calcite from Cianciana, Sicily. Sulphur is an elemental substance and is bright yellow in colour
XIRGU, Margarita (1888-1969). La Xirgu en Cristalina" XIRGU, Margarita (1888-1969). La Xirgu en Cristalina" de los hermanos Quintero" (brothers Quinteros " Xirgu in Crystalline")
Sarcofagus following a crystalline style (Roman art), 4th c. It was Alfonso III the Greats sarcofagus. From left to right, the scenes are: 1. - The resurrection of Lazarus, 2
Belgian Grotto 3Stalagmites and crystalline tubes at Engihoul