“Bringing The Past, Into the Future”

Northern Geological Supplies Ltd
Northern Geological Supplies Ltd

“Bringing The Past, Into the Future”

Agate Nodules – Isle of Rum

£1.80£6.00 ex VAT

Specimens of agate nodules from the Isle of Rum Scotland, UK. These mineral samples were part of an old stone masons collection and exhibit banded agate of various colours, a form of chalcedony, they break as such with a conchoidal fracture and can have sharp edges. Available in various sizes, the specimens are broken and rough without cutting or polishing. Excellent for collectors of Scottish minerals, they will make a fine addition to any collection.

SKU: MIN-004 Categories: ,

Specimens of agate nodules from the Isle of Rum Scotland, UK. Agates form in pockets known as nodules in igneous rocks of volcanic origin, these mineral specimens show the round nodule, almost pebble like, very well. Agate is a variety of chalcedony and forms when silca is deposited within pockets of gas in an igneous body, these deposits can form in layers, giving a banded appearance when the samples are split. Depending on the chemical nature, impurities and any intrusions in to the pocket, other minerals such as quarts crystals can also form inside as well. Thus creating beautiful, eye catching patterns and bands of alternating colours. These particular specimens display various colours and were part of an old stone masons collection. Samples are ideal for collectors of British minerals and come supplied in a card tray with an information card.

Additional information

Weight 220 g
Specimen Size

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