Related Clues:

• Goblet material
• Figurine material
• Type of ball
• 15th anniversary gift
• Cut glass
• ___ ball
• See 52 Across
• Analyze This star
• Quartz, for example
• Fifteenth anniversary gift
• Natural glass
• DeNiro's 'Analyze This' co-star
• High-quality glass
• Billy of 'Monsters, Inc.'
• Waterford product