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Holt Earth Science Ch 5 SG
Mineral and Crstyal test thing
27
Science
11th Grade
01/28/2013

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Cards

Term
What are two main groups of minerals?
Definition
Silicate and NonSilicate
Term
Which are nonsilicate crystalline structures?
Definition
Cubes, Hexagonal Prisms, Irregular
Term
A double-chain silicate is
Definition
two bonded single-chains
Term
What two elements must be present ub silicate?
Definition
silicon and oxygen
Term
Which of the following aer chatoyancy asterism associated with?
Definition
cat's eye and star
Term
Which of the following grouping lists only minerals?
Definition
fluorite, feldspar, copper
Term
A mineral is described as fluorescent when it
Definition
grows under ultraviolet light
Term
what mineral property involves iron?
Definition
magnetism
Term
Because many minerals are similar in color and certain elements may change the color, color
Definition
is not a good indetifier
Term
Unstable atomic nuclei decay over time into stable nuclei, causing a mineral to be
Definition
radioactive
Term
what is chatoyancy?
Definition
minerls shows a cat's-eye effect
Term
A phosphorescent mineral glows
Definition
after an ultraviolet light is turned off
Term
Isolated tetrahedra
Definition
do not link with silicon or oxygen atoms.
Term
what is asterism
Definition
a cat's eye shape appears when a mineral reflects light
Term
Double-chain silicates are formed when
Definition
two single-chains of tetrahedra bond to each other
Term
Cubes, hexagonal prisms, and irregular masses are examples of
Definition

three common nonsilicate crystalline structures

 

 

 

 

Term
when each tetrahedron shares three of its oxygen atoms with other tetrahedra,
Definition
sheet silicates are formed
Term
which of the following is NOT one of the four criteria for determining whether or not a substance is a mineral
Definition
it has a shiny surface
Term
what is radioactivity
Definition
unstable atomic nuclei decay over time, releasing particiles and energy
Term
the color of a mineral in powdered form is called the mineral's
Definition
streak
Term
a mineral is a natural solid that usually is
Definition
inorganic, with characteristic physical properties
Term
single-chain silicates crystalline structures in which tetrahedra form a
Definition
chain by sharing oxygem atoms
Term
the hardest mineral on the Mohs hardness scale is
Definition
diamond
Term
Fluorescence is the property of a mineral that causes it to
Definition
glow under ultraviolet light
Term
Density is the ratio of
Definition
the mass  of a substance to the volume of of the substance
Term
Double-chain silicates from when
Definition
two single-chains of tetrahedra bond to each other
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