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Fractal mineral space by Pascal Petit. Incredible colors! Igneous rocks formed from lava flows of the Archaean era (>2,700 million years ago) are often found to contain disequilibrium-textured crystals characterized by spherulitic, branching or dendritic morphologies that occur in layers near the flow surface.
+ Rutilated Quartz | Rutilated quartz is quartz stone with rutile enclosures. Rutile is a mineral that is made up mostly of titanium dioxide, or TiO2. As a mineral, rutile is very high on the refractive index and disperses more than almost any other mineral.