Gold in Quarts Specific Gravity Weight & Measures
Formula for determining the amount of gold
in a specimen of quartz
WG = 3.1 X WW -1.9 X WA
WG = weight of the gold in specimen
WW = weight of gold/quartz sample (while imersed) in water
WA = weight of gold/quartz sample in air (dry)
  WHAT YOU WANT
Grains Grams Penny Wt (dwt) Troy Ounce Common Ounce

W
H
A
T

Y
O
U

H
A
V
E

 Grains 1.0000 0.06479 0.0417 0.002083 0.002300
Grams 15.4324 1.0000 0.6430 0.032100 0.035300
Penny Wt (dwt) 24.000 1.5552 1.000 0.050 0.054900
Troy Ounce 480.000 31.10347 20.000 1.000 1.09714
Common
Ounce		 437.500 28.34952 18.2292 0.911458 1.0000