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Aquamarine
Chemical Formula	Be3Al2Si6O18[1]
Species	Silicates
Mohs Scale	7.5-8
Specific Gravity	2.72
Color	Blue
Streak	White
Refractive Index	1.577 - 1.583 (+/- .017)[1]

• Aquamarine (color), a color, a shade between green and blue and clear
• Aquamarine (gemstone), a gemstone-quality blue beryl

Aquamarine may also refer to:

• Aquamarine Power a wave energy company developing Oyster wave energy converter
• Aqua Marine, a private housing estate in Hong Kong
• Aquamarine (novel), a 2001 novel by Alice Hoffman
• Aquamarine (film), a 2006 film starring Sara Paxton, Emma Roberts and Joanna Levesque; based on the book by Alice Hoffman
• Aquamarine (window decorator), a window decorator for Beryl compatible with KWin
• USS Aquamarine (PYc-7), a patrol vessel of the United States Navy, named for the stone