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Lake Superior Agate - Duluth, Minnesota. The Lake Superior agate is a type of agate stained by iron and found on the shores of Lake Superior.Its wide distribution and iron-rich bands of color reflect the gemstone's geologic history in Minnesota, Wisconsin, Nebraska, Iowa, Kansas, and Michigan.
The Lighthouse was built to provide safe passage into the Agate Bay Harbor during the early 20th century, as Two Harbors was a major shipping point for the iron ore of the Mesabi Range. The 49.6-foot (15.1 m) tower is made of red brick and the head keeper's residence is attached; it towers 78 feet (24 m) from the lake level to the top and is 12 ...
It is along Lake Superior, which contributes the two natural harbors for which Two Harbors is named, Burlington Bay and Agate Bay. The warmest month in the year is July, the coldest January. The record high temperature was 99 °F (37 °C) in 1948, the record low −36 °F (−38 °C) in 1996.
The Minnesota state gem, the Lake Superior agate, can be found on the shores of Lake Superior, in the streams that run into it, and in gravel pits and road cuts. Duluth's Park Point is an excellent area for hunting, as shorelines and beaches are replenished each year because winter ice and storms push new material up on the shores.
Montana Agate (1969) Nebraska [45] Prairie agate (1967) Blue chalcedony (1967) Nevada [46] [47] Metal: Silver (1977); Nevada's nickname is the Silver State: Sandstone (1987) Precious Gemstone: Virgin Valley black fire opal (1987) Semiprecious Gemstone: Nevada turquoise (1987) New Hampshire [48] Beryl (1985) Granite (1985); New Hampshire's ...
Gooseberry Falls State Park is a state park of Minnesota, United States, on the North Shore of Lake Superior.The park is located in Silver Creek Township, about 13 miles (21 km) northeast of Two Harbors, Minnesota in Lake County on scenic Minnesota Highway 61.
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The sandy beach along the point is an exciting place to look for banded agates, especially after a storm or to take a walk along the sandy shoreline and enjoy the magic of Lake Superior. In 2012, for the fourth year in a row after a 23-year absence, piping plovers nested at Whitefish Point, and successfully fledged offspring.