Elements reference

Elements reference - Precious metals

Precious metals have been prized throughout history for their rarity, luster, and use in currency, jewelry, and technology. Here’s a quick reference guide to the core elements we deal with at The Coin Gallery:

Periodic Table of Elements

Element

Symbol

Melting Point f

Silver

Ag

1761

Gold

Au

1945

Palladium

Pd

2831

Platinum

Pt

3224

Rhodiurn

Rh

3571

Iridium

Ir

4449

Ruthenium

Ru

4500

Karats & Fineness

24.0 kt.

999

22.0 kt.

916.60

21.5 kt.

895.80

21.0 kt.

875

18.0 kt.

750

14.0 kt.

583.30

12.0 kt.

500

10.0 kt.

416.60

9.0 kt.

375

8.0 kt.

333

Weights and Equivalents Precious Metals

Troy ounces

Avoirdupois ounces

Grains weight

Grams

Penny weight

Kilo grams

1 Lb Avoirdupois

14.583

16.000

7000.32

453.59

291.68

0.4536

1 oz. Avoirdupois

0.9120

1.0000

437.52

28.350

18.230

0.0284

1000 Grams

32.2

35.274

15432.00

1000.00

643.01

1.0000

1 Gram

0.03220

0.0353

15.4300

1.0000

0.6400

0.0010

1 Grain

0.0020

0.0229

1.00000

0.0600

0.0400

0.00006

1 Kilogram

32.151

35.274

15,432.00

1000.00

643.02

1.0000

1 Pennyweight

0.0500

0.0549

24.0000

1.5520

1.0000

0.0016

1 Lb Troy

12.000

13.166

5760.00

373.24

240.00

0.3732

I Oz. Troy

1.0000

1.0971

480.000

31.104

20.000

.03115

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