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O - Personal and family papers archive

Description
Personal and family papers archive from the Cadbury Research Library.

Object of the Month - Antrimpos speciosus - Lapworth Museum of Geology

Description
Demantoid Garnet, Ca3Fe2(SiO4)3, North ItalyA group green demantoid garnet crystals on a schist matrix. Demantoid is a variety of andradite, a calcium and iron rich garnet, characterized by a green color which makes it a popular gemstone. The green colour is probably the result of chromium substitution. It is the most expensive kind of garnet and one of the most precious of all gemstones. Particularly valuable, are the deep emerald green forms which are very rare, and display the spectacular brilliance and fire. Demantoid garnet was first found in the Ural Mountains of Russia in 1868, and quickly became popular with the Russian nobility, and was often used by the famous Russian jeweller, Carl Fabergé.

Object of the Month - Archive - Lapworth Museum of Geology

Description
Each month on the Lapworth Museum of Geology website we present a short video showcasing an object from the museum collection. Here you can find a link to the current video as well as an archive of previous object videos.

Object of the Month - Carbonaceous chondrite - Lapworth Museum of Geology

Description
Celine, a work experience student from King Edward School for Girls in Edgbaston, describes her choice of a fragment of Carbonaceous chondrite from Pueblite Allende, Chihuahua, Mexico as the Lapworth Museum Object of the Month. This fragment was part of the Allende meteorite, which is the largest carbonaceous chondrite ever found on Earth. The fireball was witnessed at 1:05 on February 8th 1969, falling over the Mexican state of Chihuahua at the speed of 10 miles per second.

Object of the Month - Charles Lapworth's microscope - Lapworth Museum of Geology

Description
Demantoid Garnet, Ca3Fe2(SiO4)3, North ItalyA group green demantoid garnet crystals on a schist matrix. Demantoid is a variety of andradite, a calcium and iron rich garnet, characterized by a green color which makes it a popular gemstone. The green colour is probably the result of chromium substitution. It is the most expensive kind of garnet and one of the most precious of all gemstones. Particularly valuable, are the deep emerald green forms which are very rare, and display the spectacular brilliance and fire. Demantoid garnet was first found in the Ural Mountains of Russia in 1868, and quickly became popular with the Russian nobility, and was often used by the famous Russian jeweller, Carl Fabergé.

Object of the Month - Crotalocephalus sp. trilobite - Lapworth Museum of Geology

Description
Demantoid Garnet, Ca3Fe2(SiO4)3, North ItalyA group green demantoid garnet crystals on a schist matrix. Demantoid is a variety of andradite, a calcium and iron rich garnet, characterized by a green color which makes it a popular gemstone. The green colour is probably the result of chromium substitution. It is the most expensive kind of garnet and one of the most precious of all gemstones. Particularly valuable, are the deep emerald green forms which are very rare, and display the spectacular brilliance and fire. Demantoid garnet was first found in the Ural Mountains of Russia in 1868, and quickly became popular with the Russian nobility, and was often used by the famous Russian jeweller, Carl Fabergé.

Object of the Month - Flexible sandstone - Lapworth Museum of Geology

Description
Ashley, a volunteer from Bishop Vesey's grammar school, describes this flexible sandstone, found in Jhajjar in India, his choice as Object of the Month from the Lapworth Museum of Geology.

Object of the Month - Hemicyclaspis murchisoni - Lapworth Museum of Geology

Description
Demantoid Garnet, Ca3Fe2(SiO4)3, North ItalyA group green demantoid garnet crystals on a schist matrix. Demantoid is a variety of andradite, a calcium and iron rich garnet, characterized by a green color which makes it a popular gemstone. The green colour is probably the result of chromium substitution. It is the most expensive kind of garnet and one of the most precious of all gemstones. Particularly valuable, are the deep emerald green forms which are very rare, and display the spectacular brilliance and fire. Demantoid garnet was first found in the Ural Mountains of Russia in 1868, and quickly became popular with the Russian nobility, and was often used by the famous Russian jeweller, Carl Fabergé.

Object of the Month - Lapworth Museum of Geology

Description
Demantoid Garnet, Ca3Fe2(SiO4)3, North ItalyA group green demantoid garnet crystals on a schist matrix. Demantoid is a variety of andradite, a calcium and iron rich garnet, characterized by a green color which makes it a popular gemstone. The green colour is probably the result of chromium substitution. It is the most expensive kind of garnet and one of the most precious of all gemstones. Particularly valuable, are the deep emerald green forms which are very rare, and display the spectacular brilliance and fire. Demantoid garnet was first found in the Ural Mountains of Russia in 1868, and quickly became popular with the Russian nobility, and was often used by the famous Russian jeweller, Carl Fabergé.

Object of the Month - Lapworth Museum of Geology - School of Geography, Earth and Environmental Sciences

Description
Mesolimulus walchi, Jurassic, Eichstatt, Bavaria, GermanyA fine example of a horseshoe crab from the Jurassic, Solnhofen Limestone, a famous lagerstӓtten (a"fossil ore-body") renowned for its exceptionally preserved fossil fauna. The most famous fossil from this deposit is the primitive bird, Archeopteryx. In addition, beautifully preserved pterosaurs, insects, fish, starfish and numerous crustaceans have been found in this deposit.Horseshoe crabs are closely related to the extinct eurypterids (sea-scorpions), and more distantly to spiders and scorpions. This 150 million year old Mesolimulus specimen is almost identical to the modern day horseshoe crab Limulus (see picture right), found in shallow waters of South East Asia and North America.
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