Black Onyx Rough Stones

  • Black Onyx stones that are almost entirely black.
Size S: 100g R 9.00
Size S: 200g R 15.00
Size S: 500g R 34.00

Black Onyx stones
These are rough unprocessed stones. 
Onyx (like agate) is a silicate mineral. It is a parallel banded mineral of layered chalcedony. Although these stones appear opaque, if you hold them up to the light, light passes through them. This is a feature which distinguishes agate and onyx from jasper (jasper is always opaque and light does not pass though it).
 
These stones are almost entirely black. They have a cryptocrysalline structure. Although parallel bands can be seen on some, the bands are almost the same colour as the stone and thus cannot be regarded as a feature. Pure onyx with distinct parallel bands is rare and valuable but almost all of it sold is fake and modified by dyeing or treating other parallel banded stones. These stones are genuine onyx but lack distinct parallel bands and the stones are almost entirely black, 
 
Size Descriptions for all Bastion Paint Crystals and Stones
XS:  (less than 4mm)
S:    (4-15mm)
M:  (15-25mm)
L:    (25-50mm)
XL:  (greater than 50mm)
Where items are approximately spherical the size refers to their diameter. Where items are long and thin (such as crystal or blade shapes) or any other shape, then the size refers to their largest dimension. It is important to see the pictures to know exactly what the appearance is. Our pictures do not showcase the best, they are as realistic as possible and include a R1 coin to demonstrate the actual size. 
 
Keep out of reach of children
All our products should be kept out of reach of children under 5 years and anybody who may tend to place items or liquids in their mouths should be supervised. Even packing can become a choking hazard.
Description
Description
Size S: 100g
Size S: 200g
Size S: 500g

No information available