Article Nº 2664 Geology and mineralogy Vol. III · p. 22

Olivine

Original title: Olivina

Geology and mineralogy

Olivine, a magnesium-iron silicate found as small yellowish-green crystals in Madeira's basalts.

A silicate of magnesium and iron; orthorhombic system. It occurs in the basalts of Madeira as grains and small irregular crystals, yellowish green in colour, transparent and with a vitreous lustre.

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