Related Clues:

• Birthstone for 31-Across
• Gem with a play of colors
• Down Under gemstone
• The limit, for some
• Place for planes
• Pastel color
• Stone from Down Under
• Gemstone
• Hyalite
• Beanie's buddy
• Word with blue or high
• Duck type
• Fire ___ (gem)
• Attachment to a marine?
• Milky stone