Rough sugilite.
Gemstone.
Gemstones.
Gemstones.
Gemstones.
Gemstones.
Gemstones.
A. armour rock size : 600kg up to 2tons 200kg up to 590kg b. boulders size : head size apple size c. lahar sand : d. top soil : e. vibro sand : 4mm.
Gemstone .
Gemstones.
Gemstones.
Gems.
Gemstones.
High-quality gemstones.
Gems.
Gemstones.
Meteorite.
Gemstones.
Gemstones.
Gemstone.