  Medical Alum.
This antique paper jar of alum was sold for medicinal purposes. Alum (potassium aluminum sulfate) is used in medicine for its drying properties and to stop bleeding.
Source: suesmccoy
Contributor: Theodore Gray
Acquired: 10 March, 2007
Text Updated: 11 March, 2007
Price: $10
Size: 2.5"
Purity: 7.4%
Sample Group: Medical
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