Mineral ID

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Minerals are identified based on a number of physical properties  including colour, lustre, streak, hardness, cleavage/fracture, and crystal habit.  Learn about each of these identification properties here.

Igneous Rock ID

Igneous rocks are identified based on their texture and colour index.  Learn about each of these identification properties here.  Also included in this section is an igneous rock identification chart.

Sedimentary Rock ID

Sedimentary rocks are identified based on their composition and texture (clastic/non-clastic and grain size, shape, sorting and packing).  Learn about each of these identification properties here.

Metamorphic Rock ID

Metamorphic rocks are identified based on their mineral composition and texture (foliated vs. non-foliated).  Learn about each of these identification properties here.