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natural history page title
Identifying rocks, minerals and fossils
Introduction
What is a rock?
What is a mineral?
What is a fossil?
Rock, mineral or 
    fossil?
 Rock key

Mineral key
    Unknown 
        mineral
    Dark mineral 
        key
    Biotite
    Pyrite
    Unknown dark 
        mineral         
    Light mineral 
        key
    Calcite
    Quartz
    Unknown light 
        mineral

Fossil key
Helpful books

     

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Light mineral key

Which of the descriptions below suits your specimen best?
 

thumbnail image of the mineral calcite leading to more information

thumbnail image of the mineral quartz linking to more information

thumbnail image of the mineral chalcedony linking to general information about minerals
Pointed crystals, can be scratched.



 White, colourless or pink crystals (which may or may not have a good shape), very hard. Neither of those descriptions fits my specimen!