Which mineral is mined in Haryana for use in glassmaking?

Silica sand
Iron ore
Graphite
Manganese

The correct answer is silica sand.

Silica sand is a type of sand that is composed primarily of silicon dioxide (SiO2). It is a major component of glass, and is also used in a variety of other products, such as ceramics, abrasives, and foundry sand.

Iron ore is a mineral that is used to produce iron. It is a major component of steel, and is also used in a variety of other products, such as cast iron and wrought iron.

Graphite is a mineral that is composed of carbon atoms arranged in a hexagonal lattice. It is a good conductor of electricity, and is used in a variety of products, such as batteries, lubricants, and electrodes.

Manganese is a mineral that is used to produce manganese steel. It is also used in a variety of other products, such as batteries, fertilizers, and alloys.

Silica sand is the only mineral listed that is mined in Haryana for use in glassmaking.