| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour red, texture middle fine and compact, numerous small to large inclusions: white, red |
| colour of fresh break |
red 10 R 5/8 |
| texture of fresh break |
granular |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
7.5%; void form: vughy; void length: 0.04-1.1 |
| inclusions |
15%, length: <0.04-1.1 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, well rounded - subrounded, very spherical - subspherical, elongate, black, 0.04-0.12 |
|
calciumcarbonate |
very frequent, well rounded - subrounded, very spherical - subspherical, yellowish white, white, <0.04-0.28 |
|
carbonate pseudomorphoses |
riddled with, rounded - subrounded, very spherical - subspherical, subelongate, yellowish white, white, 0.04-1.1 |
|
mica |
frequent, spherical, elonagte, white, <0.04-0.04 |
|
quartz |
very frequent, well rounded - rounded, subangular - angular, very spherical - subspherical, elongate, grey, white, clear, 0.04-0.6 |
|
reddish inclusions |
infrequent, well rounded - subrounded, very spherical - subspherical, elongate, reddish brown, red, <0.04-0.8 |