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Science in the City
Black Sand (Clip)
Date: August 9, 2011
Running Time: 00:03:53

Join Exploratorium educator Ken Finn as he unlocks the mystery behind the black sand (a.k.a. magnetite) at Ocean Beach. This piece explores the origin of magnetite in the Sierra Nevada mountains, its journey down the Sacramento and San Joaquin rivers to the Bay, and the interesting physical properties of this mineral, plus some fun things you can do with it.
This collection of individual programs tells a wide range of stories, reflecting the diverse interests of the Exploratorium community.

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