Rizalite

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Rizalites are black stones of meteoritic origin found in the Philippines. They are considered to be some 710,000 years old.[1]

As such, they are considered tektites - bodies composed of black or dark brown natural glass formed from terrestrial debris ejected during extraterrestrial, meteorite impacts. They generally range in size from millimeters to centimeters.[2]

The stones were named by the Philippine national hero José Rizal.

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