ROCKS and MINERALS SETS: Variety
$ 30.00 – $ 187.00 excl. GST
- A variety of rocks & minerals sets for use in the science laboratory including:
Geological Specimens / Scale of Hardness Test / Igneous / Metamorphic / Sedimentary.
- Comparing rocks and minerals:
1- A rock is a naturally occurring solid aggregate of one or more minerals or mineraloids – a term used to describe a number of different hypotheses which suggests that petroleum and natural gas are formed by inorganic means rather than by the decomposition of organisms.
2- A mineral is a naturally occurring substance that is solid and stable at room temperature and can be represented by a chemical formula, usually abiogenic, and has an ordered atomic structure.