Lonsdaleite is also known as "hexagonal diamond." It has an index of refraction from 2.40 to 2.41, a density from 3.2 to 3.3, and a hardness of 3.00.
... María Vargas[?] (1835-1837)
Carlos Soublette[?] (1837-1839)
José Antonio Páez[?] (1839-1843)
Carlos Soublette[?] ...
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