sand - olivine and coral - set of five tubes of olivine sand weathered from basalt with coral sand derived from a reef or fool's gold

or fool's gold

Though the seller did not want to disclose the location

These specimens are moderately cemented and will stand up to student examination when handled carefully

Kernen is often cited as the publisher

sand - olivine and coral - set of five tubes of olivine sand weathered from basalt with coral sand derived from a reef or fool's goldSand is derived from whatever material is locally available. Beaches are uncommon on the seacliff ringed Island of Hawaii. Occasional small coves have sand derived primarily from basalt unless there is a coral reef offshore. This sand was collected in 1994 from a tiny cove near South Point, Hawaii, where a local concentration of olivine had weathered out of the basalt and was concentrated by the waves. An offshore coral reef contributed about half of