Phyllosilicate Collection

Kaolinite
Scanning electron microscope image of kaolinite (x 4.00K). Its a common phyllosilicate mineral, its structure is composed of silicate sheets bonded to aluminum oxide/hydroxide layers

Smokejacks Brickworks, Surrey
Smokejacks Brickworks in Ockley, Surrey shows part of the Upper Weald Clay Formation of Lower Cretaceous (Barremian) age

Eocene London clay
Eli Marsden Wilsons impression of the Eocene (55 to 34 million years ago) London Clay landscape

The Nummulosphere Part I. Front Cover
An account of the organic origin of so-called igneous rocks and of abyssal red clays by Kirkpatrick, Randolph (1863-1950), London. 1913

Mica schist is a rock resulting from the metamorphism of shale. Specimen originates from Grantown-on-Spey, Murrayshire

Hornblende-biotite granite
Geological specimen collected by Scotts British Antarctic Expedition 1910-1913, also known as the Terra Nova expedition. It had a broad scientific programme and collected thousands of geological

Pyrophyllite, green radiating in quartz from Berezovsk, Russia. Close-up of specimen on display in the Mineral Gallery at the Natural History Museum, London

Shale (right) and garnet-mica-schist (left)
Shale is sedimentary and garnet-mica-schist is metamorphoc in origin. Specimen held at the Natural History Museum, London

Bentonite
A specimen of the mineral Bentonite Reg No. 1926, 216 light grey mass, Range 19, W4, Township 28, Rosedale, Alberta, Canada. Predented by the Canadian Government Exhibition Commision, 1926

Serpentine cup
A mottled serpentine ornamental cup or tazza on a black marble base. The mineral serpentine is composed of (magnesium iron silicate hydroxide)

Belemnotheutis antiquus
A well-preserved Upper Jurassic squid aged 160 million years. This specimen originates from the famous clay deposits in Wiltshire

Cordierite-biotite-gneiss
Geological specimen collected by Scotts British Antarctic Expedition 1910-1913, also known as the Terra Nova expedition. It had a broad scientific programme and collected thousands of geological

Antigorite and bowenite
Group of two specimens of antigorite (above) and two specimens of antigorite var. bowenite below. Both these specimens comprise of (magnesium iron silicate hydroxide)

Limacina mercinensis, holoplanktonic mollusc
Fossilised specimens of Holoplaktonic molluscs found in early Eocene, London Clay at Highgate, London. 58 million years old

Chlorite variant clinochlore
Books of clinochlore with hessonite garnet from Piedmont, Italy. Clinochlore (Magnesium Iron Aluminum Silicate Hydroxide) is a common member of the Chlorite group of minerals

Talc

Dancing woman in green serpentine

Insect collection by James Petiver (1663-1)
This late 17th century insect collection is unique in that the specimens are mounted and preserved between sheets of the mineral mica

Fossil collecting near Aveley, Essex
Palaeontologists collecting the remains of a woolly mammoth and a straight-tusked elephant from a clay pit near Aveley, Essex in 1964

Plate 4a from Histoire naturelle? (1789)
Plate 4a Mineralogie, [unfinished] from Histoire naturelle: ou, Exposition des morceaux, les mieux choisis pour servir? (1789) by by Swebach Desfontaines

Lepidolite

Fuchsite specimen

Observing structure of rock
Looking at fresh granite under a microscope to study structure, granular composition can clearly be seen

Clay Toy Turtles and spiders
Watercolour by Olivia Fanny Tonge (1858-1949). Captioned: Clay Toy Turtles with Heads and Legs that waggle costing one anna. Cawnpore

Shale
Compacted platy clay particles give shales their typical laminated structure. Shale is a sedimentry rock which is composed of many fine-grained clay particles

Muscovite
A specimen of muscovite (Potassium aluminum silicate hydroxide fluoride) with hematite and limonite inclusions, from Adelaide Australia

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