Earth rocks, not meteorites|pure mines|YouTube engineer

[@aaali779]

it is informative thanks . i have seen 2 of your videos so far. i have a good reason to subscribe .all the best ,😊

[@Esfandiarengineer]

best wishes for you💐❤️💐

[@rosalynbaquero5812]

Knowlegable explaining about stone magnetic

[@Esfandiarengineer]

There are several groups of magnetites. And each is valued based on their chemical characteristics

[@khanji6442]

very Good ❤❤❤

[@Esfandiarengineer]

🌺❤️🌺

[@salle6141]

✔️ 'Promo SM'

[@Esfandiarengineer]

🌺🌺

[@behroznajafi495]

Ney s❤

[@S13402]

When roasting some ores, then washing with hot water, light silver layer floats on the surface,, is it sulfur?

[@Esfandiarengineer]

💐❤️💐