nonmetal
There is Luster Dragon and Luster Dragon #2, you may have three of each as they have different names. The one from LOD, the 2400/1400 one, was mistakenly named just 'Luster Dragon' in its original printing. This one is however Luster Dragon #2 and is considered such even if you are using the misprinted card.
Mica has a non-metallic luster, one called vitreous or glass-like.
Diamonds do not have a metallic luster; diamond luster is adamantine to waxy.
luster
the answer is luster/
Platinum has a metallic luster.
All minerals have luster. There are different types of luster. Pyrite has metallic luster.
A cut diamond is shiny but a raw one is not.
a luster
luster
produces no luster
luster