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Over 40 minerals belong to the mica group of minerals, which are quite soft, ranging from 2 to 3 on the Mohs Scale.

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14y ago

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What is The structure of the micas?

Micas are monoclinic.


How tall is Cynthia Micas?

Cynthia Micas is 165 cm.


What is micas density?

Mica is a silicate sheet often used for its properties in the electronics field. Mica's density is 2883 micrograms per cubic millimeter.


When was Cynthia Micas born?

Cynthia Micas was born on February 2, 1990, in Berlin, Germany.


Muscovite mica group list?

Your question is unclear. Muscovite is not a group name, but there are a number of polytypes, as listed by Fleischer's Glossary, 2008: -2M1, -1M, , and -2M2. The micas are divided into three main subgroups: true micas, brittle micas, and interlayer-deficient micas. These total about 44 species. There are also six incompletely investigated micas that are now considered to be series.


What is the crystalline structure of phyllite?

phyllite is a type of metasedimentary rock. The parent rock likely contained clays and/or micas, which have metamorphosed into micas and aligned due to pressure. This shiny surface is produced by the alignment of the minerals.


What is the relationship between the way in which silicon-oxygen tetrahedral bond in micas and the characteristic cleavage of micas?

The silicon-oxygen tetrahedral bonds in micas create a sheet structure with weak bonds between the sheets. This allows micas to cleave along these weak planes, resulting in their characteristic perfect basal cleavage.


What is the hardness of Limonite on the mohs hardness scale?

The hardness of Limonite is 4 t0 5.5 on the mohs hardness scale.


What is the geologic mean of platy mineral?

Platy minerals are micas(muscovite and biotite) and chlorite


What is the relationship between the way in which silicon-oxygen tetrahedra bond in micas and the characteristic cleavage of micas?

The silicon-oxygen tetrahedra in micas are arranged in sheets, allowing for weak bonds between the layers. This layered structure is what gives micas their characteristic cleavage properties, as the weak bonds between the layers allow the mineral to easily split along parallel planes.


What is the hardness of Flint according to the mohs scale of hardness?

flint is a type of quartz, so it has a hardness of about 7 on the mohs scale of hardness


What is difference between barcol hardness and Shore A hardness?

what is the difference between Shore-A Hardness & Barcol Hardness