Answer :
They are the same mineral, but different varieties. They have nearly identical chemical compositions and identical physical properties.
Silicate minerals are minerals that produce rocks and are composed of silicate groups. They are the biggest and most significant class of minerals, accounting for around 90% of the Earth's crust.
Silica (silicon dioxide, SiO2) is commonly classified as a silicate mineral in mineralogy. Silica occurs naturally as the mineral quartz and its polymorphs.
As a result of the processes that have been building and reworking the Earth's crust for billions of years, a broad diversity of silicate minerals occur in an even greater range of combinations. Partially melting, crystallization, fractionation, metamorphism, weathering, and diagenesis are examples of these processes.
Under a microscope, diatomaceous earth, a biogenic type of silica. The imaged area is roughly 1.13 by 0.69 mm in size.
This is also aided by living creatures.
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