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
ttention, and for a long 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… … 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
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