chlorite



Chlorite

Luster: Glassy to pearly, and dull
Streak: Green to brown
Color: Green, yellow, white, violet and sometimes pink
Diaphaneity: transparent or translucent
Cleavage: basal, perfect
Hardness: 2 to 2.5
Specific Gravity: 2.6-3.0
Formation: Chlorite is formed by hydroxide precipitating in clay suspension or
from preparing the precipitate separate, then mixing it with the clay immediately.
Crystal Shape: Crystals are usually tabular and pseudo hexagonal in shape,
but it can also be prismatic.
Fracture: uneven
Transparency: Transparent to Translucent
Tenacity: Flakes are thin and flexible, but not elastic
Chemical Formula: (Mg, Fe, Al)6(Si,Al)4O10(OH)8
Composition: Basic Iron Magnesium Aluminum Silicate




external image Chlorite.jpgexternal image 3WKFL.png

Uses: Chlorite can be used as a filler or a substitution for clay but it has few industrial uses. Also a lot of people make sculptures out of it.
Multi Layered 3D Chlorite Phantom Included Polished Quartz Dow Quartz Crystal
Multi Layered 3D Chlorite Phantom Included Polished Quartz Dow Quartz Crystal
This is Phantom Chlorite.


Definition of chlorite:
Chlorite-a green or black mineral; it occurs as a constituent
of many rocks, mostly in the form of a flat crystal. The chlorite ion is CIO2.

Origin of Chlorite:
The name chlorite comes from the Greek word meaning green
external image chlorite2.jpg
Distinguishing Characteristics:
Chlorite is very flaky. The larger chlorites can easily by distinguished from the micas by their color and the lack of elasticity in the cleavage flakes, and from talc by its greater hardness.
FACTS!!
Chlorite is commonly found in metamorphic rocks.
Chlorite is so soft that it can be scratched by a fingernail.
Chlorite feels oily when you touch it.
Chlorite is flaky microscopic Crystals and that's why is it put into the clay catagory.

Key terms
Diaphaneity- the phsyical property of allowing light to pass through a material
Constituent- an abstract part of something
Tenacity- the quality of holding persistently to something
Tabular- short and flat

Citations
Sites used for info:
www.wikipedia.com answers.com
www.new.minerals.net/mineral/chlorite
Sites for pictures:
www.geolab.unc
Books:
Field guide to rocks and minerals
Schuman, Walter. Minerals of the World. New York, NY: Sterling, 1992. 130. Print.
Pough, Frederick H. Rocks and Minerals. 5th ed. New York, NY: Houghton Mifflin, 1988. 300. Print.
Cepeda, Joseph C. Introduction to Minerals and Rocks. New York, NY: Macmillan, 1994. 78. Print.