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- phone(847) 866-7374
- my_location711 Main St. Evanston, IL 60202
- mail_outlinerockshop1@att.net
Click here for our Evanston Store Hours
Evanston Store Hours
Monday: 10:30 am - 5:30 pm
Tuesday: 10:30 am - 5:30 pm
Wednessday: Closed
Thursday: 10:30 am - 7:00 pm
Friday: 10:30 am - 5:30 pm
Saturday: 10:00 am - 5:00 pm
Sunday: Closed
We are open!! “By law, there is limited customer traffic allowed. The museum is open but washroom will temporarily remain closed to the public”
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Apophyllite
QUICK FACTS:
Location: India
Chemical Composition: (K,Na)Ca4Si8O20(F,OH) - 8H2O
(Hydrated Potassium Calcium Sodium Silicate Fluoride Hydroxide)
Hardness: 4½ - 5
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