Introduction To Mineralogy Flashcards
Categorized 16 minerals into three groups: metals, stones and earth
THEOPHRASTUS
Father Of Economic Geology
GEORGIUS AGRICOLA
provided detailed descriptions and defined physical properties that continue to provide the basis for hand-sample identification of minerals
GEORGIUS AGRICOLA
Father Of Stratigraphy
NICHOLAS STENO
Known of studying and discovering crystal face angles (1669 )
NICHOLAS STENO
A device used for measuring interfacial crystal angle
Contact Goniometer
Invented Contact Goniometer in 1780
ARNOULD CARANGEOT
formulated the law of constancy of interfacial angles
ROME DE I’SLE
Developed the Theory of Rational Indences for Crystal Faces in 1801
RENE JUST HAUY
Invented REFLECTING goniometer in 1809
WILLIAM HYDE WOLLASTON
Developed the chemical classification of minerals 1719 - 1848
BARON JONS JACOB BERZELIUS
Invented the Polarizing Microscope in 1828
WILLIAM NICOL
Criteria to be a mineral
Naturally occurring
Inorganic
Homogeneous solid
Definite chemical formula
Ordered crystalline structure
Materials that possess a geometric crystal structure
Crystal
Minerals” that do not have crystalline structure
Amorphous
a range of minerals that occurs or belong in a range of chemical composition
MINERALS SERIES
- Mineral-like materials but lack one or more criteria of a mineral
- Lack of crystal structure
Mineraloid
a group of crystal structure that are categorized according to the axial system used to describe their LATTICE
Crystal system
A set of minerals grouped by the anion (SiO4)-4
Silicates
-> 1:4
(SiO4)-4
NESOSILICATES
Example of nesosilicates
Fayalite, forestine
Double island silicates
Sorosilicates
-> 2:7
-> (Si2O7)-6
Sorosilicates
Ring silicates
Cyclosilicated
-> 1:3
-> (Si6O18)-12
Cyclosilicates
1:3
(Si2O6)-4
Single chain inosilicates
4:11
(Si4O11)-6
Double chained inosilicates
Sheet silicates
Phyllosilicates
2:5
(Si2O5)-2
Phyllosilicates
Framework silicates
Tectosilicates
1:2
(SiO2)
Tectosilicates
The color of mineral in powdered form
Streak
Resistance of mineral to be scratched
Hardness
Scale that uses series of indenting tools or points composed of common mineral objects.
Mohs hardness of scale
Who and when invented the mohs hardness of scale
Frederic Mohs , 1824
The book published by georgius agricola
De re metallica libri xii
