Mineral - Agate

Chalcedony Agate Bowl 139mm

£142.00 GBP

Fortification agate freeform bowl 139mm exhibiting quartz growth in a natural cavity, this ceased to grow out completely and fill the geode in the igneous volcanic vent, created by gaseous actions in the earth's crust.

The golden toffee coloured fortification agate 139mm exhibits very well verso the typical banding. Also, quartz and chalcedony veins run through the agate hard stone. An attractive opaque banded stone object. Created in a free-form way, the artisan using nature to determine the outcome of the hand-carved bowl.

Silicon dioxide in a crystalline form is quartz. The tube or eye agate, referring to the unique patterning of this semi-precious quartz, which is also formed as a banded chalcedony and is naturally created in nature, chalcedony consisting of twisted crystal fibres which delight in there colour and numerous varied forms. The composition of these forms of agates is complex and leads to the many and varied types which are found all around the world.

Interesting mineral fact. The hardness of minerals measured by a scale of hardness developed by an Austrian mineralogist Friedrich Mohs. The arbitrary scale is that of on a number scale of one to ten, on a given place of any mineral that will scratch those of lower hardness. As a diamond will scratch glass, Topaz, for example, will scratch Agate. Agate is a chalcedony placed on the Mohs scale between six and seven. Some Agates have been claimed to be of greater hardness, as high as nine on the Mohs scale.

Agates are formed by volcanic action, agates develop in gaseous cavities within lava also found as the replacement minerals in sedimentary rock layers and clay stones. The Romans mentioned agates which they coveted. Agates have been discovered in use as adornments as long ago as seven thousand years and have been collected in modern times with intent by the Victorians since around the turn of the nineteenth and twentieth century.

The beauty of agates is obvious and is exhibited in the variety of colours, the multitude of banding and other forms within the banded and variegated agates in our range of finely polished freeform bowls. Freeform relates to the artisan's use of the free-flowing undulations of the raw agate material, allowing nature and flow lines of the stone to determine the shape and outcome of the finished object. The quality of the semi-precious agate from Madagascar is exceptional. Our tactile range of superb agate bowls will delight and intrigue on sight.

Type: Quartz form of Chalcedony, Agate.
Formula: Silicon dioxide: Si02 (Chalcedony, micro-crystalline quartz)
Origin: Mahajanga jungle, Madagascar.

Agate bowl measurements.
Height: 6.74 cm
Width: 13.9 cm
Depth: 11.4 cm

Weight: 0.979 g

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Please note, for UK orders - small products usually arrive within 3 - 5 business days.
Large products usually arrive within 4 - 10 business days.

For deliveries outside of the UK, please see our Delivery and Returns.

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✓ Free UK Delivery

Free standard UK delivery - Recorded/Signed-for

All UK orders include free delivery, excluding Ireland, Scotland and the Highlands.

✓ Worldwide Delivery

All orders outside the United Kingdom are Tracked/Signed-for for you to follow.

✓ Authenticity Guaranteed

All products include a certificate of authenticity signed by THE FOSSIL STORE.

All THE FOSSIL STORE products are authentic specimens of high quality.

✓ Specify Delivery Date

If you require a specific delivery date we can accommodate you, simply email us at info@thefossilstore.com or use our Contact Form.

Larger items need more time for delivery with custom packaging requirements to guarantee secure delivery of your item/s.

Once arranged and your order is completed at checkout The Fossil Store will assign your order to DPD Precise or an alternate courier of our choosing.

Please contact us for Next Day Delivery - availability is limited to a multitude of variables including processing times and time of enquiry.

For more information on Returns please see our Returns Policy. Some Exclusions Apply. Learn more about Thefossilstore.com delivery options and Returns Policy.

Please note, for UK orders - small products usually arrive within 3 - 5 business days.
Large products usually arrive within 4 - 10 business days.

For deliveries outside of the UK, please see our Delivery and Returns.

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For delivery pricing - add a product to the Bag and on the Pop-Out Bag select your country and enter your post/zip code.

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