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The fossil fuel, Coal and the gemstone, jet are formed from ancient plant materials. Jet is a type of lignite.

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Is halite a organic rock?

No, halite is not an organic rock. It is a mineral composed of sodium chloride (NaCl) and forms through the evaporation of salty water. Organic rocks are formed from the accumulation of organic materials, such as plant or animal remains.


A rock whose mineral grains are not formed in bands is called?

Rock


What kind of rock is formed when mineral fragments settle?

Sedimentary rock


What rock is formed mostly by sodium chloride?

This is the mineral (not rock) halite.


is a tree a rock our mineral?

None, it is a plant.


What rock was Diamond transformed before being a metamorphic rock?

Diamond is a mineral form of carbon. It is not a metamorphic rock, but a mineral formed from extreme heat and pressure.


Is a igneous rock a mineral or rock?

You say it as ' Igneous ROCK ' and ask whether it is a rock..


What rock is formed from plant remains?

COAL


What is a naturally occurring solid mass of mineral or mineral like matter?

A naturally occurring solid mass of mineral or mineral-like matter is known as a rock. Rocks are composed of minerals or mineraloids and can vary in composition and characteristics depending on how they were formed.


Classification of stones?

Igneous (formed from molten rock), metamorphic (formed from metamorphism of preexisting rock), sedimentary (formed from cementation or compaction of sediments, mineral precipitation, or organic material).


Name two types of rock and one mineral formed by conduction of energy?

Two types of rock formed by conduction of energy are igneous rock, which is created from the cooling and solidification of molten magma, and metamorphic rock, which forms when existing rocks are subjected to high temperatures and pressures. A mineral formed through this process is garnet, which often forms in metamorphic rocks and can indicate the conditions under which the rock was formed.


What rhymes with role and means black burnable mineral?

The word that rhymes with "role" and means black burnable mineral is "coal." Coal is a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel.