Big Copper engraving Quartz Spath Pyrite Crystals Coloured by hand Geology Mineralogy 1770 Baratti Diderot d’Alembert 2024

HISTOIRE NATURELLE - MINERALOGIE CRYSTALLISATIONS

QUARTZ CRYSTALLISE - SPATH EN LAMES - SPATH CRYSTALLISE - CRISTAUX TRONQUES

Nice print of 1770's featuring some cristallization of minerals coloured with aquarello by hand. The minerals: one quartz, two kind of Spath with pyrite and some crystals. Big size.

Atlas: Diderot et d'Alembert – 2024 Encyclopedie – Livorno, 1770-1778

Date: 1770 circa

Technique: burin engraving

Leaf Dimension: 41x27,5 cm (16.1x10.8 inches)

Engraving Dimension: 35,5x22,5 cm (14x8.9 inches)

Conditions: Very good conditions.