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    Amygdaloidal Basalt £2.25 – £6.00 ex VAT

    Amygdaloidal basalt is an igneous rock which is extrusive in nature, these specimens formed over 60 million years ago during the Tertiary period and come from Ireland. They are part of the Antrim lava group and exhibit a dark colouration with occurrences of amygdales containing quartz and calcite crystals. As a basalt they are somewhat dense, but lighter than pure samples due to the cavities within them which formed as a result of gaseous activity during their ejection. Over time, hydrothermal fluids pass through the rock and minerals form within the cavities, which gives the usually dark coloured rock a speckled appearance. These samples are available in various sizes and are suitable for higher educational use to detail the subtle differences between similar igneous rocks, they come supplied in a card tray with an information label.

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    59 in stock

  • Augite Granophyre £2.25 – £6.00 ex VAT

    Augite granophyre igneous rock specimens from Carrockfell, Keswick in Cumbria, UK. Excellent pieces exhibiting a medium grain size of crystals which constitute this rock including, augite, quartz and feldspars and shows a granophyric texture. Suitable for avid collectors and higher educational use, the samples come supplied in a sized card tray with an information label.

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    84 in stock

  • Biotite Granite £2.25 – £6.00 ex VAT

    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.

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    64 in stock

  • Biotite Muscovite Granite £2.25 – £6.00 ex VAT

    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.

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    75 in stock

  • Chalcedony (France) £2.25 – £8.00 ex VAT

    Specimens of Chalcedony, collected from Alabaster Coast, Normandy, France. Chalcedony is a silicate mineral and part of the quartz family. These specimens range from pale blue/purple to deep orange/brown in colour. They are available in multiple sizes and come in a white card tray with an information label.

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    Quartz in Basalt (Scotland) £1.15 – £5.54 ex VAT

    Specimens of clear quartz crystal beds within basalt from Barras, Kincardineshire, Scotland. Pieces are supplied in a card tray with an information label. These are ideal samples for collectors of British minerals and rocks.

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    Out of stock

  • Quartz Monzonite £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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    28 in stock

  • Quartz Tea Light Holders
    Quartz Tea Light Holders £9.99 ex VAT

    Beautiful Quartz tea Light Holders, each made from 100% natural quartz crystals and equipped with a cushioned base. Each item showcases unique variations in colour, texture, and formations, making them one-of-a-kind. The soothing tones of quartz, create a captivating visual display that resonates with the serenity of nature. Each tea light holder spans a spectrum of colours from clear to cloudy white, and we have equipped them all with a cushioned base. This protects your furniture from scratches or damage. Since these items are made from 100% natural quartz, please note that some scratches and staining may be visible. Enhance your home with our Quartz Tea Light Holders, bringing a touch of the earth’s beauty into your everyday life.

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  • Trachyte £2.25 – £6.00 ex VAT

    Trachyte, a common igneous rock composed of various minerals including quartz, feldpsars, micas and olivine, rock specimens come from East Lothian, Scotland and are available in optional sizes, supplied in a card tray with a label.

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