Joanna May
Preseli Bluestone
Preseli Bluestone is the name given to Preseli spotted dolerite. It originates from the Preseli Hills in Wales and is one of the stones...
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Joanna May
- Nov 8, 2019
- 1 min
Golden Healer
Golden Healer is the name given to the gold coloured Hematoid Quartz. It is clear quartz with iron oxide growing just beneath the...
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Joanna May
- Oct 18, 2019
- 1 min
Howlite
Howlite is a calcium borosilicate hydroxide mineral, forming in massive or nodules, with crystals of it being very rare. It is colourless...
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Joanna May
- Sep 27, 2019
- 1 min
Jet
Jet is a hard, gem variety of lignite, a precursor to coal. Jet is not a mineral, but rather a mineraloid. It is of organic origin,...
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Joanna May
- Sep 6, 2019
- 1 min
Petalite
Petalite is a lithium aluminium phyllosilicate mineral. It can be found colourless, or in shades of white, grey, pink or yellow. Petalite...
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Joanna May
- Aug 16, 2019
- 1 min
Sunstone
Sunstone is a member of the feldspar family. Its colour is gold to red-brown, often mixed with white. It has an iridescent effect like...
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Joanna May
- Aug 2, 2019
- 2 min
Mahogany Obsidian
Obsidian forms from molten lava in the last stages of volcanic eruptions, the remaining silica minerals flow onto the surface and cool...
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Joanna May
- Jul 19, 2019
- 1 min
Mookite / Mookaite
Mookite (also known as mookaite or mook jasper) is found in Mooka Creek, Western Australia. It is formed from tiny skeletal remains found...
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Joanna May
- Jul 5, 2019
- 2 min
Amazonite
Amazonite is a pale to dark green to blue-green feldspar. It is named after the Amazon River, although it is not found there. The most...
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Joanna May
- Jun 21, 2019
- 2 min
Unakite
Unakite is composed of green epidote and pink orthoclase feldspar together with quartz and is usually mottled in appearance. Its name...
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Joanna May
- Jun 7, 2019
- 1 min
Topaz
Topaz is a silicate mineral of aluminium and fluorine and is one of the hardest naturally occurring minerals. Topaz is found in many...
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Joanna May
- May 31, 2019
- 2 min
Kyanite
Kyanite is an aluminosilicate mineral which is often columnar or bladed and is splintery. It is typically blue but does come in black,...
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Joanna May
- May 24, 2019
- 1 min
Selenite
Selenite is a type of Gypsum which is a hydrated calcium sulphate. It is white and can appear transparent from one angle and opaque from...
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Joanna May
- May 17, 2019
- 2 min
Petrified / Fossilised Wood
Petrified wood is also known as fossilised wood. It is formed when a tree or tree-like plant changes to stone by the process of...
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Joanna May
- May 10, 2019
- 1 min
Prehnite
Prehnite is a calcium aluminium silicate mineral. Its colour is usually yellow-green or olive green, but it can also be found colourless,...
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Joanna May
- May 3, 2019
- 1 min
Moss Agate
Moss agate is a type of chalcedony (belonging to the quartz family) with inclusions of green minerals giving it the impression of moss...
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Joanna May
- Apr 19, 2019
- 2 min
Sugilite
Sugilite is a rare pink to purple cyclosilicate mineral. It is rarely found in crystal form, only in massive. It was first discovered in...
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Joanna May
- Apr 12, 2019
- 1 min
Pietersite
Pietersite is a variety of quartz (silicon dioxide) composed of Tiger’s Eye, Hawks Eye and Jasper. It has dramatic swirling colours of...
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Joanna May
- Apr 5, 2019
- 1 min
Moldavite
Moldavite is a member of the Tektite group of natural glass, formed from terrestrial debris ejected during meteorite impacts. Moldavite...
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Joanna May
- Mar 29, 2019
- 1 min
Dioptase
Dioptase is a copper cyclosilicate mineral, transparent to translucent and is its colour is vibrant green to blue/green. It is very...
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