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- Availability
- Available
- Price
- $40.00
- Locality
- Sapper Fumarole, El Palmar, Quetzaltenango, Guatemala
- Formula
- NaAl(SO4)2ยท12H2O
- Size
- 3.5 x 3.5 x 2.5 cm - Miniature
Spherules of white to colorless Alum-(Na) in a spongy, very light weight matrix. I have no idea what this matrix is.