Edelstein-Kunde in Briefen an zwey deutsche Fürstinnen.
Wien, J.G. Heubner, 1828. Small-8vo. pp. viii, (2), 125, (1), with 1 engraved plate and 1 folding table. Later red half cloth, gilt lettered spine.
First and only edition of one of the rarest works on precious stones. "Popular presentation of the essential facts about gemstones presented as twelve letters to two German princesses, and including anecdotes from the experiences of practical jewelers, all 'clothed in the speech of daily surroundings'. Treats properties, identification methods, the diamond and other gemstones, birthstones, curious lore, gem cutting styles, qualities of cut gems, etc ... The folding table, 25,5 x 19,5 cm lists properties of gemstones from diamonds to peridot. Very scarce" (Sinkankas. Gemology an Annotated Bibliography 2144). Some slight foxing.
Item nr. 1719
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