Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?
(A) Vitrain
(B) Clarain
(C) Durain
(D) Fussain
Share this... |
![]() Facebook
|
![]() Twitter
|
![]() Linkedin
|
![]() Whatsapp
|
Your email address will not be published. Required fields are marked *