#DOUBLE

[@AnandKumar-bk6td]

Excellent lecture

[@basicconceptsofgeologybyab9572]

Thankyou ❤️

[@bqasegeooollllogy2097]

Thankyou sir it is really very helpful

[@atifmalla9731]

Thank u sir

[@pushkarsingh3852]

Please make things section photography which could also explain optical property of mineral. All of your lecture is marvelous..please upload such knowledge videos more...thanks a lot for sharing such an interesting incredible topics and teaching it very easily....🙏 with Best regards

[@ashfaqgems]

In Amphibole general formula?

[@ashfaqgems]

What do you mean by A1-0?