| Sillimanite at Hoopes Reservoir Wilmington, DE US Uploaded By Scott (webmaster) Uploaded on Tuesday, September 8, 2009 at 11:12:52 AM Viewed 3463 times |
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| From old link: "General description: Sillimanite was established as the sate mineral by an act of the Delaware General Assembly in 1977. Sillimanite has a fibrous texture reminiscent of wood and can be cut into cabochon gems showing a chatoyant ("cat's eye") effect. How to get there: Hoopes Reservoir and Brandywine Springs areas. From Willmington take HWY 52 (Kennett Pike) north. Turn west at Campbell Road which leads to Hoopes Reservoir. Grade this location: (A to F): GPS coordinates: Handy to bring along: 1. Bucket 2. Rock hammer 3. Safety glasses Helpful notes to newcomers: In order to capture the "cat's eye" the stone must be cut with the grain of the fibers.: " The info used to be at the Travel Channels Treasure Wiki for Delaware page. | How to get there: Hoopes Reservoir and Brandywine Springs areas. From Willmington take HWY 52 (Kennett Pike) north. Turn west at Campbell Road which leads to Hoopes Reservoir. |