Download A Watched Pot Never Boils

Vocabulary Chapter 2: Lesson 1












Mineral
Inorganic
Crystal
Streak
Luster
Mohs Hardness Scale
Cleavage
Fracture
geode
Crystallization
Solution
vein
Mineral
A naturally occurring solid that can
form by inorganic processes with a
crystal structure and a definite
chemical composition (chemical
formula)
o Not a rock: Rocks are made of
minerals.
o Ex. Quartz, gold, diamond,
o
Inorganic
o
o
o
Not formed from a
living organism
A: Organic
Ex. Quartz is formed
from magma
Crystal


Repeating pattern
of mineral particles
Ex. Flat sides called
faces and sharp
edges or corner.

Streak
Color of a mineral’s
powder
Ex. Color and streak can
differ
Pyrite: gold color: black or
gray streak

•
•
Luster
How light is
reflected on a
minerals surface
Ex. Metalic, glassy,
pearly, earthy,
waxy, silky, greasy
•
•
Mohs Hardness
Scale
A scale to help
identify minerals
based on how hard
they are.
Ex. Fingernail, steel
knife, diamond, nail,
•
•
Cleavage
Splitting along flat
surfaces based on
how atoms are
arranged.
Ex. Mica remains
the same shape
Fracture
•
•
A mineral breaking
in an irregular
shape
Ex. Not the same
shape; quartz
geode
•
A round hollow
rock that is lined
inside with
crystals.
crystallization
•
A process that
arranges atoms in a
particular pattern
which forms a
crystal structure
solution
•
A mixture in which
one substance is
dissolved in
another
vein
•
A narrow channel
or slab of a mineral
that is different
than the rock
around it