The Book of the Pearl: The history, art, science, and industry of the queen of gemsKunz, George Frederick
History
The Book of the Pearl: The history, art, science, and industry of the queen of gems
Kunz, George Frederick
Pearls
Grams Grains Troy
Turin .2135 3.29480
Persia .2095 3.23307
Venice .2071 3.19603
Austro-Hungary .2061 3.18060
France (old) .2059 3.17752
France (later) .2055 3.17135
France (modern) .2050 3.16363
Portugal .2058 3.17597
Frankfort and Hamburg .2058 3.17597
Germany .2055 3.17135
East Indies .2055 3.17135
England and British India .2053 3.16826
Belgium (Antwerp) .2053 3.16826
Russia .2051 3.16517
Holland .2051 3.16517
Turkey .2005 3.09418
Spain .1999 3.08492
Java and Borneo .1969 3.03862
Florence .1965 3.03245
Arabia .1944 3.00004
Brazil .1922 2.96610
Egypt .1917 2.95838
Bologna .1886 2.91054
International carat .2050 3.16363
Proposed new international carat .2000 3.08647
Recalculating the above figures into pearl grains we have:
PEARL GRAINS
Public-domain text, read in full here on John Shaqi.
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