Thunder Eggs
Gallery of Thunder Eggs
Spheres
Gallery of Spheres
Slabs
Gallery of Slabs
Mystic Silica
Whilst being exquisitely beautiful and full of physical and chemical interest, I do not believe inanimate stones have any magical, spiritual or healing powers. Nevertheless, many people from all over the world do hold such views and thus a page on “mystic Silica” must…
Microscopic Silica
The colors and patterns found in the Silicas are due to inclusions of metal ions, crystals of other compounds, bits of “dirt” . Beautiful as they are when just looked at, under the microscope an even more beautiful world of colors shapes, swirls and…
Organic Silica
Silica has a unique property in that it can fossilize organic material, by replacement but it does preserve perfectly the organic structures that were originally present.
Polymorphs
Silica can exist in several polymorphs and these forms can occur in a myriad of different guises:-
Geodes
Sometimes within old lava fields are found rounded “geodes” of silica often with a rhyolite exterior. These are known as agates, or Thunder eggs. Much like human beings, these geodes are built on the same basic pattern but each one is different from all…
Fate of Quartz
About 12% of the earth’s crust is Silica and a further 45% contains Silica in the form of Silicates.
So You’re A Doctor Now
By Charles Howard
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