Characteristics of Pegmatite
Many rocks have distinct characteristics. Some of the Properties of Pegmatite are hardness, structure, streak, fracture etc. Pegmatite is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Pegmatite plays an important role in its identification.
The hardness of Pegmatite is 7 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness.
Fracture of Pegmatite rock is conchoidal. Its specific heat capacity is Not Available. Pegmatite is heat resistant, impact resistant, pressure resistant. Some of its uses are:
- Interior Uses: Decorative aggregates, Flooring and Interior decoration.
- Construction Industry: As dimension stone, Building houses or walls, Construction aggregate, For road aggregate, Landscaping.
Know more about Pegmatite rock in the next section.
More About Pegmatite
Pegmatite is a type of Igneous Rocks. The color of rock is one of its important property. Pegmatite rock is available in black, brown, cream, green, grey, pink, red, rust, silver, white, yellow colors. It is Layered, Banded, Veined and Shiny in appearance. The Pegmatite mineral content includes Apatite, Beryl, Feldspar, Fluorite, Garnet, Lepidolite, Quartz, Silica, Spodumene, Topaz. Its compound content includes Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, Phosphorus Pentoxide. Let’s move on to the types of Pegmatite. The types of Pegmatite include Granite Pegmatite, Gabbro Pegmatite and Diorite Pegmatite.
Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Pegmatite belongs to Igneous Rocks, fossils are not found in it.