vitreous
Sandstone has dull lustre.
Lustre refers to the shine or reflection of light on a surface. It is the quality of brightness or glowing light that a material or object possesses.
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Lustre refers to the shine or reflective quality of a surface, often used to describe the brightness or glow of a material. It is a visual characteristic that can be influenced by the texture, composition, and lighting of an object.
They posses metallic lusture
Metallic and Non-Mettallic are two main types of lusture.
Metallic and Non-Mettallic are two main types of lusture.
all the metals have lusture in quality. when gold jewellary sent to goldsmith for polishing they generally reduce its weight.Due to lusture the density of the metals get reduced thereby reducing their weight.
calcite has vitreous lusture.vitreous lusture is similar to reflection shown by broken glass which is twinkling
A merceised fabric is washed and/or processed in sodium hydroxide ,also commonly known as Caustic soda. This process improves the lusture and strength of the fabric , however leading upto 5% shrinkage in overall fabric meterage.
THE METALLIC MINERALS CONTAIN METAL IN RAW FORM. METALS ARE HARD SUBSTANCES THAT CONDUCT HEAT AND ELECTRICITY AND HAVE A CHARACTERISTIC LUSTURE OR SHINE. IRON ORE, BAUXITE,MANGANESE ORE ARE SOME EXAMPLES.METALLICMINERALS MAY BE FERROUS OR NON-FERROUS.