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A small globular piece of fused metal or metals, usually 1 cm. in diameter

An igneous rock, similar to granite, having a coarse irregular texture. Pegmatites are a common host of minerals and specifically a priority target for well formed crystal minerals such as corundum and tourmaline

The formation of soil from the decomposition of organic matter

Any type of moss which has formed on peat as its substrate

An accumulated mass of decayed or partially decayed plant matter

Usually the first refined iron product from a smelter, subject to further refinement prior to use

A semi precious gem found in peridotite, found in olivine

The property exhibited by certain crystalline mineral such as quartz and tourmaline which, subjected to shock, produce a negative and positive electrically polarized end at either end of the crystal

The trickling of fluids downward into porous material

Situated at the foot of a mountain structure