| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light reddish-brown, texture fine, frequent small and few large inclusions: white, grey |
| colour of fresh break |
2.5 YR 7/4 (light reddish brown) |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
2.5%; void form: channel; void length: 0.06-0.1 |
| inclusions |
5%, length: <0.04-0.6 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, well rounded - rounded, very spherical - subsperical, elongate, very elongate, black, 0.04-0.52 |
|
calciumcarbonate |
riddled with, rounded, very spherical - subspherical, elongate, yellowish white, white, <0.04-0.5 |
|
carbonate pseudomorphoses |
riddled with, rounded, very spherical - subspherical, yellowish white, white, <0.04-0.46 |
|
mica |
infrequent, spherical, elongate, white, <0.04-0.06 |
|
more inclusions2 |
singular, rounded, spherical - subspherical, orange, 0.12-0.36 |
|
quartz |
very frequent, well rounded, elongate, very spherical - subspherical, grey, clear, brownish, <0.04-0.28 |
|
reddish inclusions |
frequent, rounded, very spherical - subspherical, elongate, very elongate, red, reddish brown, <0.04-0.2 |