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Tanzanite is a rare gem variety of the mineral zoisite. It was first discovered in the foothills of Tanzania in 1967, and has since enjoyed a steady climb in popularity and value.
Evanston Store Hours
| Sunday: | CLOSED |
|---|---|
| Monday: | 10:30 am - 5:30 pm |
| Tuesday: | 10:30 am - 5:30 pm |
| Wednesday: | CLOSED |
| Thursday: | 10:30 am - 7:00 pm |
| Friday: | 10:30 am - 5:30 pm |
| Saturday: | 10:00 am - 5:00 pm |
Tanzanite is a rare gem variety of the mineral zoisite. It was first discovered in the foothills of Tanzania in 1967, and has since enjoyed a steady climb in popularity and value.
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After collecting fossils as a hobby for many years growing up, Dave Douglass opened Dave's Down to Earth Rock Shop in 1970 at the age of 20 (with the help of his parents) at 1312 Chicago Avenue in Evanston, Illinois. The shop contained minerals and fossils, mostly self-collected by the Douglass family.