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This mineral contains three species and varieties.

Elbaite: includes varieties such as ancoita (colorless), rubellite (pink red), Verdelite (green) and indigolita (in blue colr.
Dravite, brown.
Plover, red tourmaline Ferrous .

The tourmalines are in the form of prismatic crystals, columnar or acicular, often are grouped to form radial or fibrous aggregates.

are unaffected by the acids. magnésiferas varieties blend easily, while ferriferous and litinégeras are infusible.

The tourmalines are common minerals of magmatic origin in pegmatites and granites. Some varieties, such as dravite, are common in metamorphic limestone. Sometimes appears in detrital sediments.

Along with the quartz and cassiterite, tourmaline is the third mineral interest in mining assets Logorán and Cerro San Cristobal.

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