Natural Ruby .
Mother of pearls.
Mother of pearls.
Mother of pearls.
Ruby 2.
Rough.
Ruby 2.
Freshwater pearls.
Ruby 2.
Mother of pearl (mop) shell.
Amber.
Marine Sand.
Freshwater pearls .
Black sand and iron sand ( magnitite/chromite).
Sea sand and river sand.
Sand like silica sand river sand.
Pearl gemstones.
Quality A jade and raw jade .
Mother of pearl.
Natural corundum rough ruby.