Rocks and minerals

Solo disponible en BuenasTareas
  • Páginas : 3 (721 palabras )
  • Descarga(s) : 0
  • Publicado : 18 de septiembre de 2010
Leer documento completo
Vista previa del texto
Rocks and minerals


By Mayra Mata

Table of contents

Minerals ………………………………............................... 1

Properties of minerals ………………………………..... 2

Crystals………………………………................................. 3

Igneous rocks ………………………………...................... 4

Sedimentary rocks ………………………………............. 5

Metamorphic rocks ………………………………............ 6

Rock cycle………………………………............................... 7 Minerals
Definition/description
1. Inorganic substance in nature: a substance that occurs naturally in rocks and in the ground and has its own characteristic appearance.
Minerals are not just forlooking at they have some actual uses for example diamonds can cut through a lot of things therefore it is used in cutting and grinding applications. Some are used for jewelry.
Some types of mineralsare: cement, copper, diamond, feldspar, fluorite, garnet, gold, graphite, gypsum, halite, iron ore, lead, limestone, nickel, perlite, quartz, salt, silica, silver, sulfur, talc, titanium, tin, andzinc.





Properties of minerals

The properties of minerals are used by mineralogists to determine theidentity of a specimen.
These are some ways to identify a mineral:
1. Color
2. Luster
3. Streak
4. Crystal structure
5.hardnessWhile many minerals share common physical properties, when all of a mineral's physical properties are examined, it often results in a unique set of physical properties that can be used to identify themineral.



CRYSTALS
A solid in which the atoms, molecules, or ions are arranged in an orderly arranged pattern.
The atoms in a crystal are in a regular repeating pattern called thecrystalline lattice. Even though the existence of this lattice has been known for many years, recently the scanning tunneling microscope (STM) was invented....
tracking img