|
|
Terminology index:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
XYZ
Q
quarry an excavation where usable stone is extracted from the ground.
quartz a silicon dioxide mineral that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses. One of the most common minerals, the chief constituent of sandstone.
quartzite a compact granular rock composed of quartz crystals, usually so firmly cemented as to make the mass homogeneous. The stone is generally quarried in stratified layers, the surfaces of which are unusually smooth. Its crushing and tensile strengths are extremely high; the color range is wide.
quartzitic sandstone a sandstone with a high concentration of quartz grains and siliceous cement.
quirt a groove separating a bed or other moulding from the adjoining members.
quoins stones at the corner of a wall emphasized by size, projection, rustification, or by a different finish.
|
|
Home
