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21466714
MINERAL PROPERTIES
Description
Mapa conceptual de las propiedades de los minerales
No tags specified
minerales
propiedades
ciencias naturales
geología
4º de eso
Mind Map by
Antoni Garcia
, updated more than 1 year ago
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Created by
Antoni Garcia
over 4 years ago
11
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Resource summary
MINERAL PROPERTIES
They are/have
Solid
Natural
inorganic
Fixed composition
Crystalline structure
formed by
Crystals
in a process called
Crystallization
depends on
Time
Space
Temperature
identified by
MINERAL PROPERTIES
divided in
OPTICAL PROPERTIES
include
Luster
defined as
how the light is reflected
types
Metallic
Non Metallic
Silky
Pearly
others
Colour
defined as
mineral's surface colour
some of them are very characeristic, others can vary
ex: Quartz
Streak
defined as
mineral's powder colour
is more reliable than colour
how
Scrape the mineral across a porcelain plate or tile
Crystal shape
defined as
The general shape of the crystal
PHYSICAL PROPERTIES
include
Hardness
defined as
resistance to being scratched
measured in
Mohs scale
from
1 (softest) to 10 (hardest)
to test
objects
Fracture
The tendency to break but NOT in planes
Cleveage
Tendency to break in certain planes
OTHER PROPERTIES
Magnetism
ability to be attracted by a magnet
Electrical conductivity
ability to allow an electrical flow
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