Mineral 1.0Test your knowledge of specific minerals

M
E
N
U
« Home | Browse Minerals | QuizzesMinerals by letter: All | A | B | C | D | E | F | G | H | K | L | M | N | O | P | Q | S | T | W | Z
Minerals by class: Carbonates | Halides | Hydroxides | Native elements | Oxides | Phosphates | Silicates | Sulfates | Sulfides
Silicate Subclasses: Amphiboles | Cyclosilicates | Frameworks | Nesosilicates | Phyllosilicates | Pyroxenes | Sorosilicates
  

« Back to Frameworks

Q
U
A
R
T
Z

(
M
A
S
S
I
V
E
)

Click for expanded view






Rose quartz, one of the many MANY varieties of quartz
Rose quartz, one of the many MANY varieties of quartz

Quartz (massive)SiO2

Class: Silicate
Subclass: Framework
Hardness: 7
Density: 2.7
Lustre: Vitreous
Habit: Aggregate of coarse-grained crystals.
Colours: Usually white

  Crystal System: Hexagonal
Cleavage: None
Fracture: Conchoidal under mag
Magnetism: None
Reaction with HCl: None

Identification in hand sample:
Hardness and fracture.

Comments:
Forms in veins.

  

Inaccurate data? Better photos? .