Crystal Kit

by Marlene M. Robinson and Fiona Robinson

It's easy and fun to grow sparkling clear crystals. Potassium aluminum sulfate (alum) occurs naturally as the mineral alunite. It is used in baking, printing fabrics, tanning leathers, purifying... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0894716697
• ISBN13: 9780894716690
• Release Date: October 1988
• Publisher: Running Press Book Publishers
• Length: 96 Pages
• Weight: 0.20 lbs.
• Dimensions: 1.0" x 7.7" x 10.1"