Kids page
Act Green
for both the kids, parents and schools. Helping to make our environment cleaner
and learning to recycle
and save our resources. Learn
and earn points.
www.scholastic.com/actgreen
Crystal & Minerals : Taught in Grade 3
Igneous Rock:
Molten
rock that has cooled and became a solid rock. They can form with or
without crystalization and below or on the surface of the earth. Over
700 types of Ingeous rocks, mostly found below the earth surface.
Examples are:
pumice, obsidian, and granite.
Sedimentary Rock:
Formed
either within bodies of water or on the surface of the earth. The
sedimentary rock is formed by sediment and collection or minerals and or
organic matter.
Examples are:
sandstone, shale, limestone.
Metamorphic Rock:
Rock that
has under gone a transformation. This is due to temperature and
pressure that causes a chemical change. Metamorphic rock is a large
part of the Earths crust. These rocks are grouped or classified by
their texture and by their mineral and chemical substance.
Examples are:
Slate, Marble, Schist, Quartzite
Amethyst (mineral consisting of iron &
aluminum, form of quartz): used in jewelry and small carvings. The
European soldiers used to wear amethyst for protection.
Calcite (carbonate mineral): in pure
form is white, the impurities will create the different colors. It is
said to be formed from dead sea animals and can be found in caverns.
Used in chewing gum, soap and many other products in the market.
Citrine (form of Quartz): used in
jewelry,
Fluorite (mineral) : toothpaste,
carvings, telescope & camera lenses, glass, enamels, cooking utensils,
jewelry, used in steel production, and in aluminum.
Hemitite: used in hinges, handles,
mattress springs, make-up, watches, garbage cans, blenders, toasters,
can openers, watches
Kynite (Blue) porcelain for sinks
and toilets, dishes, piping
Muscovite: make- up
Pyrite (iron sulfate): is a mineral
and used in solar panels, radio receivers. Not good to used is building
products like bricks and stones as it will deteriate.
Quartz (oxide mineral): watches,
mirrors, glasses, computers. Other forms of quartz are amethyst, agate,
onyx, carnelian, jasper, tigers eye.
for crystal healing classes or presentations:
bucklers@shaw.ca
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