Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 276
time they were the onlyones to which any regard was paid. They areknown as native points. The primitive form of the crystallized diamond,the cube (Fig. 98), is extremely rare; it hardlyoccurs once among a thousand diamonds. The regular octahedron (Fig. 99) is a little morefrequent. The… … DIAMOND-CUTTING. 257 As already mentioned, there is little doubt thatthe first diamonds to which value was attachedwere natural crystals, that is to say, octahedrons or
Precious stones · Diamonds · Gems
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
