| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
pink, irregular, numerous medium-sized white particles, some inclusions |
| colour of fresh break |
7.5YR 7/4 - 5YR 6/6 |
| texture of fresh break |
irregular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
5%; void form: vughy; void length: 0.025-0.75 |
| inclusions |
10%, length: 0.025-0.75 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
frequent, very angular - angular, subspherical - elongate, black, 0.025-0.5 |
|
calciumcarbonate |
frequent, rounded, spherical, white, 0.025-0.375 |
|
carbonate pseudomorphoses |
infrequent, rounded, spherical, white, 0.025-0.5 |
|
mica |
infrequent, angular, spherical, white, 0.025-0.125 |
|
more inclusions1 |
infrequent, rounded, spherical, white, 0.025-0.5 |
|
more inclusions2 |
singular, very angular, subspherical, light green, 0.025-0.375 |
|
quartz |
frequent, subangular, subspherical, clear;gray;gray, 0.025-0.375 |
|
reddish inclusions |
infrequent, subrounded, subspherical, reddish brown;reddish brown, 0.025-0.75 |