germanium ore

$3.00

germanium ore

$3.00

germanium ore

$3.00

germanium ore

$3.00

germanium

$3.00

silver metallic germanium element

$3.00

silver metallic germanium element

$3.00

silver metallic germanium element

$3.00

silver metallic germanium element

$3.00

germanium element, chemical symbol Ge

$3.00

germanium element, chemical symbol Ge

$3.00

germanium element, chemical symbol Ge

$3.00

germanium element, chemical symbol Ge

$3.00