| |
Visual Examination of Fresh Break
|
| visual examination of fresh break |
colour light red, texture fine and compact, numerous small to large inclusions: white, grey, red |
| colour of fresh break |
red 10 R 5/8 |
| texture of fresh break |
smooth |
| hardness |
hard |
| |
Observation Under the Binocular Stereoscope
(all lengths in mm)
|
| porosity |
2%; void form: vughy, channel; void length: 0.04 (vughy), 0.08 (channel)-0.16 (vughy) |
| inclusions |
12.5%, length: <0.04-1.0 |
| sorting |
unsorted |
| |
Inclusions
(all lengths in mm)
|
|
black inclusions |
infrequent, rounded - subrounded, spherical - subspherical, elongate, black, dark grey, <0.04-0.24 |
|
calciumcarbonate |
riddled with, rounded - subrounded, subangular, spherical - subspherical, elongate - subelongate, yellowish white, white, <0.04-1.0 |
|
carbonate pseudomorphoses |
infrequent, rounded - subrounded, spherical - subspherical, subelongate, yellowish white, white, grey, 0.04-0.2 |
|
mica |
very frequent, spherical, elongate, white, <0.04-0.1 |
|
quartz |
very frequent, rounded - subrounded, very spherical - subspherical, elongate, subelongate, subangular - angular, clear, grey, white, 0.04-0.5 |
|
reddish inclusions |
very frequent, rounded - subrounded, spherical - subspherical, elongate, reddish brown, red, <0.04-0.4 |