Kamis, 24 Februari 2011

Happy 28 th monthversary...=)

28 bulan....

Tak akan terasa cukup dan ingin beribu bulan lagi terus bersama dirimu...=)

Sabtu, 19 Februari 2011

Calling Me?

Are you calling me?

Calling_Me

February 19th, 2011, Museum Bank Indonesia

Senin, 14 Februari 2011

Metal Research

  1. Price are taken from www.kitco.com,
  2. Scratch resistance using Mohs Scale,
  3. Hardness using Vicker Scale

Material

Scratch Resistance

Scratch Score

Hardness

Hardness Score

Price (USD/Oz)

Price Score

Total Score

Silver

2.5

21.05

251

18.29

30

20

59.34

Gold

2.5

21.05

216

15.74

1,359.00

0.44

37.23

Palladium

4.75

40

461

33.59

822

0.73

74.32

Platinum

4.5

37.89

549

40

1,820.00

0.33

78.22

Weight (%) 

40

 

40

 

20

 

weight are 40% of scratch Resistance, 40% of Hardness, 20% of Price.

Scratch resistance and hardness are determining the maintenance cost

what do you think? =)

Minggu, 13 Februari 2011