12.108 | Fall 2004 | Undergraduate

Structure of Earth Materials

Cyclosilicates

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Description:

Radiating acicular tourmaline crystals and tourmaline crystal in quartz: NaMg3Al5B3Si6O27(OH)4.

Alt text:
Radiating acicular tourmaline crystals and tourmaline crystal in quartz.
Caption:
Radiating acicular tourmaline crystals and tourmaline crystal in quartz: NaMg3Al5B3Si6O27(OH)4.
Credit:
Courtesy of OCW.
Radiating acicular tourmaline crystals and tourmaline crystal in quartz.

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