Chapter 1.3 - Classification Of Minerals
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What are the three common types of minerals?
Silicates Orebites Carbonates
It is the most common type making up 90 of all minerals.
Silicates
The __________ is the basic crystalline structure of a silicate.
Silica tetrahedron - oxygen(O²) and silicon (Si⁴)
The silicates are subdivided into divisions, those are?
• Pure silica (Quartz) - silica combined with other elements (Ferromags and non-Ferromags).
The silicates mineral that has iron(Fe) and magnesium (mg) in it’s formula is called?
Ferromag
________ are dark in color and dense in mass. An example of it is Hornblende
Ferromags
It is a silicate mineral with element other than iron or magnesium in their chemical composition. It is called ______?
Non- Ferromags
______ is a silicate mineral that are light in both color and mass density. An example of it is Feldspar
Non-Ferromags
In case of _____, it has iron combined in a thin sheet over the entire surface of the tetrahedron
Biotite
What type of silicate structure is the silicate tetrahedron?
Single-Chain structure
Amphibole group: Hornblende is an example of what silicate structure?
Double-Chain
Mica Group: Biotite is a ______ silicate structure
Sheet
_____ is what gives the _____ it’s dark color as compared to another type of Mica _______, which doesn’t have iron in it and has transparent appearance similar to cellophane
Iron, Biotite, Muscovite