The inclined plane faces upward, and the inclined gasket surface is the same as the inclined plane.

Bizet upper decoration, crown

black amber

Black andradite

Black coral

Black diamonds Black diamonds and baked potatoes

Black garnet garnet

Black jasper Black jasper; The touchstone is the same as kyanite.

Black lava glass

Black lip shell, black butterfly shell

Black moonstone

Black opal

Black prince's ruby, the black prince Edward ruby.

Black spinel

Black Star Sapphire black star sapphire

Bleached pearls

Bubble-like circular inclusion

Mixed sphalerite

Blister pearls are attached to pearls.

Block a pile, a batch

Natural amber block

Blood agate

blood cora

Drop of blood

Blood iron ore

Blood jasper chalcedony

Bloody Cordierite Lotus Dong Qingshi

Bloodstone, chalcedony, bloodstone

blue agate

azurite

Blue chrysotile

Blue earth, blue soil

Blue land, blue land

Blue jasper blue chalcedony

Blue John Blue John, fluorite (fluorite)

Blue malachite

Blue moonstone

Blue opal

Blue pearl

Blue dot pearl

Blue River Diamond Blue River Diamond

Blue rock lapis lazuli

Blue-black anatase

Lanjing azure stone

Blue wiesel, blue dimension Sheldon.

Blue and white blue and white diamonds

Blue zircon (blue) Blue zircon (blue treatment)

Boart(bort, bortz, boort, bowr) round diamond, second-class diamond.

Bobo Roska garnet iron-nickel garnet

Bocco de fogo tourmaline

Bohemian olivine

Bohemian diamond Bohemian diamond

Bohemian garnet

Bohemian ruby, timely.

Bohemian topaz Bohemian topaz, topaz