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Schorl or black tourmaline is the most common form of tourmaline.
Black tourmaline also exists in a pure form, without the quartz matrix. It is a common accessory mineral in igneous and metamorphic rocks. The majority of tourmalinated quartz on the market today is from the gem-rich Minas Gerais area of Brazil. |
silver threads and black needles
While most varieties of transparent quartz are considered most valuable when they lack inclusions, some varieties are valued chiefly because of them.
Among these quartz varieties is tourmalinated quartz -- a clear to opaque form of crystal quartz with silver-y filaments and threads. Sometimes referred to as 'needles,' the threads are actually inclusions of dark green or black tourmaline, also known as schorl. While black tourmaline inclusions are the most common, green tourmaline inclusions give the tourmalinated quartz a decidedly green cast which is unmistakable.
The combination of deep black (or dark green) needles within translucent to opaque material -- each a unique pattern -- creates a perfect polarity of energies and a natural balance in whatever work is done with it.
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symbolic attributes
| metaphysical | |
|---|---|
| energy | receptive /yin |
| planet | Pluto |
| element | earth |
- abalone
- almandine garnet
- amber
- amethyst
- ametrine
- apatite
- aquamarine
- boulder opal
- calcite
- carnelian
- chalcedony
- chrysoprase
- cinnabar
- citrine
- coral
- druse
- fire opal
- fluorite
- fossilized shell
- garnet
- green garnet
- hematite
- hessonite
- iolite
- jasper
- labradorite
- lapis lazuli
- malachite
- milky quartz
- moldavite
- moonstone
- mother-of-pearl
- obsidian
- onyx
- opal-common
- paua
- peridot
- peruvian opal
- prehnite
- pyrite
- quartz
- rose quartz
- rutilated quartz
- serpentine
- shells
- smoky quartz
- tanzanite
- tourmalinated quartz





Schorl or black tourmaline is the most common form of tourmaline.