Possible Clues:

• A bloomer going round workroom producing gypsum
• Alberta's a place to find gypsum
• Material from which altar base is made
• Skin tone
• A blooming precious laboratory thing
• Stab a real odd white mineral
• Gypsum and basalt are sculpted
• Beautiful stone resulting from a laboratory bloomer
• Blast area to fragment stone
• How precious a scientifically produced flower can be!