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Cumberlandite is Rhode Island's state rock. It is only found in a four-acre lot in Blackstone Valley, Cumberland, RI, and has not been found anywhere else in the world. Due to its high amounts of iron, it is slightly magnetic. Official language(s) None Capital Providence Largest city Providence Area - Total - Width - Length - % water - Latitude - Longitude Ranked 50th 4,005 km² 50 km 65 km 32. ...
The Blackstone Valley or Blackstone River Valley is a region of Massachusetts and Rhode Island. ...
Cumberland is one of the 39 traditional counties of England. ...
General Name, Symbol, Number iron, Fe, 26 Chemical series transition metals Group, Period, Block 8, 4, d Appearance lustrous metallic with a grayish tinge Atomic mass 55. ...
In physics, magnetism is a phenomenon by which materials exert an attractive or repulsive force on other materials. ...
 The unique rock was formed over 1.5 billion years ago by volcanic activity where a soup of different minerals and molten rock later cooled down to form the mineral. Image File history File linksMetadata Download high resolution version (1488x1128, 558 KB) Summary This is a picture of Cumberlandite, photographed by myself. ...
For other uses, see Volcano (disambiguation). ...
The rocks were discovered by settlers hundreds of years ago, and were deemed valuable for the manufacture of cannons and farm tools in the 18th and 19th centuries. The mineral also contains a relatively high level of titanium, also valuable for the manufacture of tools.
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