Frequently Asked Questions
- National Identification Card or Passport or Driver’s License
- Taxpayer Identification Number (TIN)
- Proof of address (Utility Bill or Bank Statement)
- GGMC mining documents or GRA license(s)
- Certificate of Incorporation/ Certificate of Registration
- Company’s Taxpayer Identification Number (TIN)
- GGMC mining documents or GRA license(s)
- Authorization Letter/Power of Attorney and National Identification Card of Authorizee (if selling on behalf of another)
- National Identification Card or Passport or Driver’s License
- GGMC license
1 Troy Ounce = 31.1 Grams
1 Troy Ounce = 20 Pennyweights
1 Pennyweight = 24 Grains
To convert:
Grams to Troy ounces – Divide by 31.10348
Grams to Pennyweights – Multiply by 0.643014
Pennyweights to Grains – Multiply by 24
- Divide your wet weight by your dry weight
- Multiply that result by 2307.454
- Subtract 2088.136 from the result in step 2.
The answer is the density of your gold.