JEWELLERS TABLES

- Weight Comparison Chart - Precious Metals -
(Approximate)

Metal	22ct	18ct	14ct	9ct	Silver (Fine)	Silver (Stg)
22ct	1	0.86	0.73	0.65	0.6	0.59
18ct	1.16	1	0.85	0.75	0.69	0.68
14ct	1.36	1.17	1	0.88	0.81	0.8
9ct	1.56	1.34	1.14	1	0.93	0.92
Silver (Fine)	1.68	1.44	1.23	1.08	1	0.99
Silver (Stg)	1.7	1.46	1.25	1.09	1.01	1

- Metal Melting Points & Specific Gravity -
(Approximate)

Metal	Melting Point Degrees F	Melting Point Degrees C	Specific Gravity
Aluminium	1220	660	2.70
Chromium	3430	1890	7.19
Cobalt	2070	1132.2	8.9
Copper	1981	1083	8.96
Gold (Fine)	1945	1063	19.32
Iron	2802	1539	7.87
Lead	621	327	11.34
Magnesium	1202	650	1.75
Nickel	2651	1455	8.90
Palladium	2831	1555	12.00
Platinum (Fine)	3224	1773	21.45
Rhodium	3571	1966	12.44
Silicon	2605	1430	2.33
Silver (Fine)	1761	961	10.49
Silver (Sterling)	1640	893	10.36
Silver (Coin)	1615	879	10.31
Tin	450	232	7.30
Zinc	787	419	7.10