ROCKS & MINERALS
LEARN ABOUT ROCKS AND MINERALS
ROCKS & MINERALS
Rocks are made of 1 or 2 minerals and a mineral is made of the the same substance its just pure mineral.
Birthstones
my birthstone is in June and it is called a Pearl
COAL
Coal is a black or brownish-black solid combustible substance. It is widely used as a natural fuel.
FLINT
What is Flint?
Flint is a hard, tough chemical or biochemical sedimentary rockthat breaks with a conchoidal fracture.GRANITE
Granite is a light-colored igneous rock with grains large enough to be visible with the unaided eye
MARBLE
Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism.
OBSIDIAN
Obsidian is an igneous rock that forms when molten rock material cools so rapidly that atoms are unable to arrange themselves into a crystalline structure
EMERALD
Emerald is the green to greenish blue variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors.
ruby
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire. Rubies can command the highest per-carat price of any colored stone.
CRYSTAL
Crystal is defined as a mineral that is generally made of transparent quartz in a shape of cubic symmetry or a glass that is clear, colorless and of high quality.
ALUM
Also called potash alum, potassium alum. a crystalline solid,aluminum potassium sulfate, used inmedicine as an astringent and styptic, in dyeing and tanning, and inmany technical processes.