Phyllosilicates Flashcards
aPhyllosilicates General Formula
(Si2O5)-2
Phyllosilicates came from the Greek word?
Phyllon
Phyllon meaning?
Leaf-like texture
Phyllosilicates are also known as?
Sheet Silicates
Made up of tetrahedral rings and slanted octahedral
Sheets
Phyllosilicates are mostly _____ bearing.
Hydroxyl Bearing
Sheets consist of ?
Tetrahedral Sheet and Octahedral Sheet
Sheet of SiO4 all in the same orientation, Si2O5
Tetrahedral Sheet
Octahedral Layers are negatively charged due to the?
Isomorphous Substitution of Cations
An aluminum hydroxide mineral with the chemical formula Al(OH)3
Gibbsite
Al Dominated
Dioctahedral Sheet
Mg Dominated
Trioctahedral Sheet
A magnesium hydroxide mineral with the chemical formula MG(OH)3
Brucite
The process of hydrothermal alteration that transforms Fe-Mg silicates contained in ultramafic rocks into serpentine minerals.
Serpentinization
5 Serpentine Minerals
Amesite
Chrysocolla
Lizardite
Antigorite
Chrysotile
Categorized under the Clastic Sedimentary Rock, are made up of layered structures of fine-grained minerals.
Clay Minerals
One of the most ancient mineral substances used by mankind.
Clay
Clays are excellent_____
Adsorbents
Clay can be used in various industries such as?
Construction
Agriculture
Ceramics
Drilling
A special type of polymorphism that is usually used to describe the variation of structures and sequences in layer materials.
Polytypism
What is the only way to differentiate clay minerals / sedimentary rocks from each other?
X-ray Diffraction
Refers to the process by which minerals form within sediments and sedimentary rocks
Authigenesis
Clay Minerals
Talc
Pyrophyllite
Kaolinite
Classified as 1:1 clay, also considered as the purest of all clays
Kaolinite Group
Kaolinite is generally used in?
Ceramic Industry
Classified as 2:1 swelling clay, Van der Waals bonding
Smectite Group
Smectite generally used in?
Wastewater management, textile industry
Minerals under Smectite Group
Montmorillonite
Vermiculite
Classified as a 2:1 non swelling clay, mica-like clay mineral
Illite Group
What substitution occur in the Illite Group?
Isomorphous Substitution
Exhibit a two-dimensional sheer or layer structure
Mica Minerals
Mica minerals are fairly ____ and relatively _____
light and soft
Mica Minerals use in the industry
Drywalls
Paints
Fillers
Roofing
Mica Minerals
Biotite
Muscovite
Margarite
Lepidolite
Phlogopite
Glauconite
Exhibit a 2:1:1 structural layer and distinguished by their green color.
Chlorite Group
Minerals under Chlorite Group
Chamosite
Clinochlore
Other Minerals
Armstrongite
Apophyllite
Carletonite
Dalyite
Alias of Talc
Soapstone
Variety of Pyrophyllite
Cattle Egg Stone
China Clay
Kaolinite
Rarest Kaolinite minerl
Nacrite
Hollow tubular morphology
Halloysite
Black cotton soil
Montmorillonite
Variety of Montmorillonite
Batrachite
Variety of vermiculite
Eastonite
Alias of Illite
Hydromica
Black mica
Biotite
Potash mica
Muscovite
Pearl MIca
Margarite
Magnesium Mica
Phlogopite
Laminar Shape
Chamosite