Red  Spinel crystals  on the white

Marble Minerals!
Great White Marbles Set off the Same Color  as the Ruby!
  Octahedron Spinel Crystal
show the Special Values !
Mine:Phu marble ,Luc Yen district,

Yen Bai province. Vietnam

5.0x3.5x2.0

inch

cm

1.32

lb

kg