minerals Flashcards
ptolemy
synthesized Greek knowledge of the known Universe
. Copernicus
compound is a several different element
Brahe, Tycho
the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil or oceans.
Kepler, Johannes
a part or aspect of something abstract, especially one that is essential or characteristic
compound
a thing that is composed of two or more separate elements; a mixture.
Crystal
a piece of a homogeneous solid substance having a natural geometrically regular form with symmetrically arranged plane faces.
color
the property possessed by an object of producing different sensations on the eye
luster
a gentle sheen or soft glow, especially that of a partly reflective surface
streak
a long, thin line or mark of a different substance or color
Fracture
the property of a mineral breaking in a more or less random pattern with no smooth planar surface
density
the degree of compactness of a substance
ore
a naturally occurring solid material
Metallic minerals
minerals which contain one or more metallic elements
Non-metallic minerals
Non-metallic mineral reserves consist of stone quarries
ptolemy
a precious or semiprecious stone