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Flashcards - Rocks & Minerals

Flashcards - Rocks & Minerals
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olivine
The mineral olivine is a magnesium iron silicate with the formula 2SiO4
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feldspars
Feldspars are a group of rock-forming tectosilicate minerals that make up as much as 60% of the Earth's crust
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Hardness
Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a compressive force is applied
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fracture

Fracture is the shape and texture of the surface formed when a mineral is broken.

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mineral
A mineral is a naturally occurring chemical compound
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metallic luster
Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral
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metallic luster
Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral
mineral
A mineral is a naturally occurring chemical compound
fracture

Fracture is the shape and texture of the surface formed when a mineral is broken.

Hardness
Hardness is a measure of how resistant solid matter is to various kinds of permanent shape change when a compressive force is applied
feldspars
Feldspars are a group of rock-forming tectosilicate minerals that make up as much as 60% of the Earth's crust
olivine
The mineral olivine is a magnesium iron silicate with the formula 2SiO4
silicates
A silicate is a compound containing an anionic silicon compound
facets
Facets are flat faces on geometric shapes
gypsum
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O
rock cycle
The rock cycle is a basic concept in geology that describes the time-consuming transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous
Detrital
Detritus is particles of rock derived from pre-existing rock through processes of weathering and erosion
secondary rocks
Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of water
metamorphic
Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form"

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