The correct answer is Lignite. Lignite is known as Brown Diamond.
Which ore is called brown diamond?
Answer : Lignite is known as ‘brown diamond’ since it is coal in brown colour.
Which Minerals has another name called brown diamond?
Detailed Solution. The correct answer is Lignite. Lignite is called as “brown diamond”.
Which mineral is known as brown gold?
Popularly termed as ‘Brown Gold’ all over the world. Gujarat is rich in high grade Lignite. GMDC is engaged in Bauxite Mining at Gadhsisa group of Mines.
Which mineral is known as Black diamond?
Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond.
|Crystal system||Isometric-hexoctahedral (cubic)|
|Formula mass||12.01 u|
|Color||Typically black, can be grey, various shades of green and brown sometimes mottled.|
Do brown diamonds sparkle?
Since brown diamonds are darker in color, inclusions won’t affect the color or sparkle that much. Brown diamonds have the same strength and hardness as colorless diamonds, so they won’t scratch or break easily. Cut is important, of course, to make sure your diamond has the sparkle you want.
Is lignite used for fuel?
Lignite has the lowest ranking in the coal classification system, and it is mostly used as fuel in the power sector. Lignite’s colour ranges from brown to black (see Figure 2.7) and its heating value is less than 19.306 KJ/Kg. Due to the fact that lignite deposits are geologically young they may contain plant debris.
Which of the following is a mineral that is mined as a fuel source?
Coal has been used by humans for at least 6000 years, mainly as a fuel source.
Which one of the following States has the majority and the major oil fields in India?
The correct answer is Assam. With over 100 oilfields, Assam leads as the state with the greatest number of oilfields. Assam has major oilfields like Digboi, Naharkatiya, and Moran-Hugrijan. Bihar hardly has any oilfield; Tamil Nadu has a coal mine at Neyveli and reserves of natural gas and nothing else.
What is iron ore?
Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3). Iron ore is the source of primary iron for the world’s iron and steel industries.
Which river valley is famous for iron ore?
The total recoverable reserves of iron ore in India are about 9,602 million tonnes of hematite and 3,408 million tonnes of magnetite.
Production and consumption.
Which is the richest mineral belt of India?
The North-Eastern Peninsular Belt:
This belt comprising of Chota Nagpur plateau and Orissa Plateau in the states of Jharkhand, West Bengal and Orissa is the richest mineral belt of India.
Which is known as liquid gold?
Petroleum is known as Liquid Gold because of its high value in the market. It also serves directly or indirectly as a source for many organic products which are useful to humans.
Which coal called Black diamond?
India imports Anthracite coal from other countries. Coal is as valuable as diamond for the power Industries so it is commonly known as the Black Diamond.
Is known as black gold?
Crude Oil is also known as Black Gold. The word ‘Black’ because of its appearance when it comes out of the ground and the term ‘Gold’ for of its rarity and utility associated with it.