LECTURE 3 - LECTURE 3 MINERALS DEFINITION naturally...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: LECTURE 3 MINERALS DEFINITION: naturally occurring inorganic homogeneous solid that has a definite chemical composition and an ordered internal structure Mineraloid • Naturally occurring inorganic material that is amorphous(solid with no long-range order of the positions of atoms) – ex. Obsidian, opal, glass, pearl, etc. Polymorphism • Ability of a specific chemical substance to crystallize in more than one configuration, which is dependent upon changes in temperature, pressure, or both (ex. Pyrite, marcasite, graphite, diamond) PHYSICAL PROPERTIES 1. Color – caused by the absorption or lack of absorption of various wavelengths of light 2. Streak – the color of the mineral in powdered form (not necessarily similar to the color in unpowdered form). 3. Hardness – the strength of the structure of the mineral relative to the strength of its...
View Full Document

{[ snackBarMessage ]}

Page1 / 5

LECTURE 3 - LECTURE 3 MINERALS DEFINITION naturally...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online