Sphere 20mm - Agate

$6.00

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Agate crystal sphere.
Diameter approx 20mm.

Photo is not of actual item,- it is for illustration only. Ruler in cm.

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Mineral Species: Quartz variety (Chalcedony)

Chemical Formula: SiO₂

Mohs Scale Hardness: 6.5 - 7

Location: Worldwide

Typical Appearance: Agates can come in a variety of colours. Usually translucent. Most brightly coloured agates are dyed.

Agate comes in a wide range of varieties.

Agatised Wood - Petrified wood
Black Agate - Most are usually dyed black
Blue Agate - Vivid darker blue colour. Most are usually dyed blue
Blue Lace Agate - Light blue colour with light bands
Blue Storm Agate - Light blue colour with patches of white which looks similar to clouds
Brecciated Agate - Agate with broken fragments naturally cemented together
Botswana Agate - Banded agate. Named after where it is mined in Africa
Crazy Lace Agate - Agate with swirling and twisting bands of various colours
Dendritic Agate - Translucent agate with fern-like inclusions
Eye Agate - Agate with perfectly shaped concentric rings
Fire Agate - Iridescent agate with fire red colours similar to opal
Fossil Agate - Organic material replaced by agate
Green Agate - Most are usually dyed
Moss Agate - Inclusions that resembles moss
Onyx - Type of chalcedony, usually a solid dark colour with banding
Pink Agate - Most are usually dyed
Purple Agate - Most are usually dyed
Sardonyx - Brown to red colouring with usually white banding
Thunder Egg - Rounded nodule filled with Agate
Turritella Agate - Agate with shell fossils.