a gemstone
Corundum is one possibility, at 9 on the Moh's Scale, sometimes in brilliant shades of red, blue, and other colors, which can have high luster.
The mineral with glassy luster, and milky white is Quartz
Could be diamond, ruby, emerald, tourmaline.
Depending on the variety, feldspars can range from adamantine to glassy in luster.
These words indicate the luster of a mineral.
a rock
Glassy luster, Metallic luster and Waxy luster.
Limestone does not have a luster. It's main constituent, the mineral calcite, has a vitreous or glassy luster.
This is called the luster of the mineral.The luster of a mineral is the way its surface reflects light. Most terms used to describe luster are self-explanatory: metallic, earthy, waxy, greasy, vitreous (glassy), adamantine (or brilliant, as in a faceted diamond).
Quartz
This is called the luster of the mineral.The luster of a mineral is the way its surface reflects light. Most terms used to describe luster are self-explanatory: metallic, earthy, waxy, greasy, vitreous (glassy), adamantine (or brilliant, as in a faceted diamond).