Geology Superstore
Geology Superstore

Agate Nodules

£2.07£6.90 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.

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    Elessi will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period), on presentation of the original till receipt at any store where the corresponding collection is available within the country of purchase.

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Specimens of agate nodules from the former Ardownie Quarry, Broughty Ferry, Dundee, 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.

Weight 220 g
Specimen Size

1.5" x 1.5", 2" x 2", 3" x 2"

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SKU: MIN-004 Category:
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