Possible Clues:

• Sort of gypsum that's upset lake plant
• At bar, ale's changed for mineral
• Stone a scientific establishment rates differently
• A 'red' flower becomes white and smooth
• Are basalt rocks statuary material?
• Translucent white gypsum as found carved into ornaments
• Semi-transparent gypsum
• Stone, a well-qualified person's to shift around
• That's precious stuff to make a flower in the laboratory of
• Blast area for white mineral