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PRODUCTS BY WEIGHT
BOX SETS
PLASTIC DISPLAY PRODUCTS
£2.25 – £6.00 ex VAT
Quartz monzonite igneous rock specimen from Ratagan, Scotland. Associated to granites, yet containing only 5% to 20% quartz, making it a monzonite, these intrusive felsice rocks are igneous in origin and are available in different sizes, supplied in a white card tray with a label.
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Quartz monzonite is an intrusive igneous rock which is felsic in classification. It is suggested that monzonites have an equal proportion of the two major feldspar minerals, orthoclase and plagioclase and is generally a coarse grain texture rock. As the name suggests, quartz is also present in large quantities as well as dark minerals often associated with igneous activity such as biotite and hornblende. Similar in composition to granites, the levels of quartz differentiate this rock from the granitic group, where a rock has above 20% of quatrtz, it is classified as a granite, between 5% – 20% and it is classified as a monzonite. These particular rock specimens come from Ratagan, Glen Shiel, Scotland and is available in various sizes to choose from, each piece is supplied in a card tray with an information label.
Weight | 130 g |
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Specimen Size | 2" x 2", 3" x 2", 4" x 3" |
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A ten specimen metamorphic rock set produced by our selves at our warehouse in the UK, the set comprises of ten samples picked out to details textures and features such as foliation, banding, high temperature or pressure minerals and more pertaining to the various grades of metamorphism. The samples sit within a plastic cell inset which its self is housed within a blue sturdy card box with a lid. The inside of the lid also has a colour photo key chart which exhibits pictures of the specimens as well as names and locations they are from. An excellent basic set for educational use or as a gift.
4 in stock
Andesite igneous rock specimens of late Ordovician age which form part of the Barrowdale volcanic group. The rocks come from Cumbria, UK and have a dark colouration with a blue tint and may contain augite crystals. The rocks are intermediate in chemistry and suitable for higher level education to explain the difference in various igneous groups. Samples are available in 3 sizes and will come supplied in a card tray with an information label.
We also supply Andesite thin sections for microscope study which are available to buy HERE.
Agglomerate igneous rock specimens from Scotland, UK. A coarse grained, hard blocky rock exhibiting a conglomeration of various minerals and igneous material of volcanic origin. These samples formed part of the Glen Coe caldera and are apart of the upper streaky andesite unit, the exhibit poor sorting and orientation of material which indicates a somewhat violent origin but this can vary from agglomerates by location and is mainly down to the chemistry of the igneous material. The samples are available in 3 sizes and come supplied in a card tray with a label, they are suitable for educational use to show the different types of volcanic rocks produced as well as those interested in collecting rock samples.
Augite andesite igneous rock specimens from Thirlmere, Cumbria, UK which are of late Ordovician age which form part of the Barrowdale volcanic group. The samples are of intermediate composition and contain phenocrysts of the pyroxene mineral, augite, giving the normally dark blue rock a black speckled appearance. The samples are available in 3 sizes and come supplied in a card tray with a label.
We also supply Augite Andesite thin sections for microscope study which are available to buy HERE.
82 in stock
Biotite granite igneous rock specimens from Ballachulish, Scotland, UK. Composed of the felsic minerals quartz and feldspar, with occurrences of biotite crystals. The rock has an overall white appearance due to its felsic chemistry but the black biotite mica offers a striking contrast in colours. The samples are ideal for both collectors due to the attractive nature and for college to university level education to describe the variations in granite which one may find. The samples are available in three sizes and supplied in a card tray with an information label.
64 in stock
Biotite muscovite granite specimens from St. Austell in Cornwall, UK of Permian age is a coarse grained igneous rock composed of quartz, plagioclase feldspar, biotite and muscovite. The rock is part of the St. Austell pluton which formed 280 million years ago. An off white colour with gold and black flecks of micas, the rock has a unique chemistry and resulted in the rich mineralisation of ores in the area. The samples are suitable for collectors and educational use to show granite variants, available in three sizes. Each piece will come supplied in a card tray with an information label.
We also supply Biotite Muscovite Granite thin sections for microscope study which are available to buy HERE.
75 in stock
A field guide containing various pages which are based on the munsell colour system to aid in the identification of rocks whilst working in the field.
Out of stock
The metamorphic rock texture card is made for earth science students, it displays numerous bites of information on how to determine an metamorphic rock specimen found in the field via their observable features. The cards have been laminated, making them waterproof, small, the size of a bank card and an excellent to hand guide for students, amateurs and professionals.
Rhyolite Felsite, a highly felsitic composed variation of Rhyolite, found in Fife, Scotland, an extrusive igneous rock composed of sodium, quartz and feldspar, thus often having a pale white to pink colouration. Available in various sizes and supplied in a card tray with an information label.
32 in stock
The sedimentary rock texture card is made for earth science students, it displays numerous bites of information on how to determine an sedimentary rock specimen found in the field such as grain size, texture and an indication to the energy required to form the rock. The cards have been laminated, making them waterproof, small, the size of a bank card and an excellent to hand guide for students, amateurs and professionals.
41 in stock
Garnet peridotite igneous rock specimens found in the Gusdal Olivine Pit, Åheim, Norway is an ultra mafic rock which contains high pressure and temperature minerals such as olivine and garnet crystals. Exhibiting a green colouraiton with striking red spots, these samples were pushed up to the earths crust during the Caledonian orogeny during the Ordovician and Devonian period over 400 million years ago. The specimens are dense as expected and are ideal for children and serious collectors because of the colourful appearance as well as for higher educational use to describe deep mantle material as well as orogenic processes. The hand samples are available in various sizes and come supplied in a card tray with an information label.
We also supply Garnet Peridotite thin sections for microscope study which are available to buy HERE.
170 in stock
German Eclogite specimens from Weissenstein, Bavaria. Eclogite is a metamorphic rock, featuring red garnets within a matrix of sodium rich plagioclase called omphacite. These samples are perfect for both collectors and for educational use. They come supplied in a white card tray with an information label. Limited stock available.
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