description Schorl Overview
Schorl is a mineral species in the tourmaline group and is usually opaque black. It is an iron-bearing borosilicate mineral found in granitic rocks, especially granite pegmatites, and also occurs in some metamorphic settings. Mineral collectors value well-formed crystals, while the material is also cut or polished for opaque black beads, cabochons, and other jewelry components.
help Schorl FAQ
What is schorl?
Schorl is usually an opaque black mineral species in the tourmaline group. It is an iron-bearing borosilicate mineral commonly found in granitic rocks and granite pegmatites.
What color is schorl typically?
Schorl is most often black or very dark. Its opaque appearance is linked to its iron content, although surface condition and crystal quality can affect how specimens look.
Where does schorl form?
It commonly forms in granite pegmatites and other granitic settings. It can also occur in some metamorphic rocks, where heat and pressure alter existing minerals.
Why do mineral collectors value schorl?
Collectors often seek well-formed schorl crystals because tourmaline can produce distinctive prismatic shapes and striated surfaces. The black color and association with pegmatites also make it a recognizable specimen mineral.
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