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Bubba
 Post subject: Jewelry Markings
PostPosted: Fri Nov 30, 2007 10:29 pm 
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Joined: Thu Nov 29, 2007 4:28 pm
Posts: 87
Location: Wilmington, NC
GOLD
K=KARAT
KP= KARAT PLUMB (HIGH QUALITY,PURITY)
K.P.= KARAT PLATE
GF=GOLD FILLED (HEAVY PLATING) USUALLY A FRACTION 1/20
HGE= HEAVY GOLD ELECTROPLATE

10K=41.7%PURE
12K=50%PURE
14K=58.3%PURE
18K=75%PURE
22K=91.2%PURE
24K=99.9%PURE

DECIMAL KARAT RATINGS FOR GOLD
.375=9K
.417=10K
.500=12K
.583 AND .585=14K
.625=15K
.667=16K
.750=18K
.833=20K(ASIA)
.917=22K(ASIA)
.999=24K PURE


SILVER
STERLING IS 92.5% SILVER 7.5% COPPER
STERLING MARKS:
.925
.835= BRITISH
STERLING
TAXCO
MEXICO
STER
.999 FINE+PURE SILVER
LION HALMARK = ENGLAND

PLATINUM
PLAT
PT {ATOMIC SYMBOL)
IRID. PLAT.
.900
.950
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