Strictly speaking, it is not spot gold, or it can't be called London gold. It is rare, so there are basically no such learning materials.
Loco London gold: Also known as spot gold, we generally refer to the spot trading of gold provided by the London Stock Exchange. Spot means there is no delivery period and no futures attribute. Trading 24 hours a day, buying and selling at any time, so there are the most people doing it and a lot of learning materials. For example, FXCM UK version of the bank's gold code is XAU, and futures will be closed by the system before the delivery date. For example, CFD stock index futures have delivery dates.
There are many other types, such as China's characteristic paper gold, paper gold trading, with high spreads and high handling fees, which are used exclusively by banks, so not many people do it. No leverage
Physical gold, jewelry gold,
ICBC or other banks' own gold trading is similar to paper gold, which is exclusively sold by banks. These products are similar to spot gold.
If you are interested in gold trading, you can download a simulation from the simulation column and try to see the video encyclopedia after your simple transaction.
Please remember that in international practice, a batch of standard gold is 100 ounces, and ounces are precious metal units.
Discuss with each other if you don't understand.
Finally, I want to say that your classification seems to be wrong. I suggest changing it.
Classification: vocational education
It is suggested to modify the classification as: business/wealth management.