로고

Unifan
로그인 회원가입
  • 자유게시판
  • 자유게시판

    강연강좌 Answers about Rocks and Minerals

    페이지 정보

    profile_image
    작성자 Claudia Lanning
    댓글 0건 조회 49회 작성일 24-06-19 13:51

    본문

    Minerals are naturally occurring inorganic substances formed through geological processes such as cooling of molten rock or precipitation from water. They canno
    Read more









    Geology



    +2








    Is there silver pyrite?

    Asked by Wiki User



    Silver pyrite is not a naturally occurring mineral. Pyrite itself is often referred to as "fool's gold" due to its metallic luster and brassy color, b
    Read more









    Geology



    +1








    What type of rock is clastic and non-clastic?

    Asked by Wiki User



    Clastic rocks are made up of broken fragments of pre-existing rocks, while non-clastic rocks are formed from chemical processes or organic matter. Sandstone is
    Read more









    Chemistry



    +1








    What are the classes of mineral salts?

    Asked by Wiki User



    The classes of mineral salts include carbonates, emura pfanne Bewertungen sulfates, silicates, halides, oxides, and sulfides based on their chemical composition. These classes are defin
    Read more









    Geology



    +2








    What is the Hardness of pyrite on mohs hardness scale?

    Asked by Wiki User



    The hardness of the mineral pyrite, or Fool's Gold, is about 6 on the Mohs hardness scale. That's a little harder than a steel knife blade, but not as hard as t
    Read more









    Rocks and Minerals



    +2








    What is the luster of aquamarine?

    Asked by Wiki User



    An Emerald's lustre is vitreous, or glassy.

    댓글목록

    등록된 댓글이 없습니다.