Shiny
A luster that is dull and earthy is referred to as "dull" or "earthy luster." This type of luster lacks shine and reflects light poorly, often resembling the appearance of natural minerals or soil. It is commonly seen in materials like clay or certain types of rocks.
In geology, dull luster means little to no luster is exhibited by a mineral. This is due to coarse granulations which scatter the light in all directions.
These are terms that reference the mineral's luster (or lustre).
Bauxite is a rock composed mainly of aluminum oxide and aluminum hydroxide minerals. The rocks also contain clay, silt, and silica. Bauxite has a dull, earthy tone luster.
Carbon can exhibit both metallic and non-metallic luster depending on its allotrope. In its graphite form, carbon has a metallic luster, appearing shiny and reflective. In contrast, in its diamond form, carbon has a brilliant, non-metallic luster, characterized by its clarity and sparkle. Thus, carbon's luster varies with its structural form.
The carbon allotrope 'diamond' in its natural un-cut state is dull. however, when a jeweller cuts it , it becomes very shiny; a' girls best friend'. Other allotropes of carbon are graphite - dull, and buckminster fullerene ??? dull or shiny.
Only as a diamond crystal.
dull luster looks somewhat metallic, but it isn't quite as reflective.
Coal typically has a dull or matte luster, meaning it does not shine like metals or some minerals. It can appear dull, black, and brittle in texture.
Tellurium has a shiny luster.
Granite has a very dull luster when unpolished.
The words waxy, pearly, and dull describe a mineral's luster.
the type of luster which is dull
dull but pretty
A luster that is dull and earthy is referred to as "dull" or "earthy luster." This type of luster lacks shine and reflects light poorly, often resembling the appearance of natural minerals or soil. It is commonly seen in materials like clay or certain types of rocks.
Ruby (corundum) has a vitreous or glassy luster.
dull to earthy