what is "biomineralization"?
It is the process by which living organisms produce minerals, often to harden or stiffen existing tissues.
Biomineralization
Biomineralization, or biomineralisation is the process by which living organisms produce minerals, often to harden or stiffen existing tissues. 
what is the diameter of earth in km UNANSWERABLE what is the axial tilt of the planet? Approximately 23.439281° describe the internal structure of it? It is divided into layers by their chemical or physical (rheological) properties. For eg. the outer layer is a chemically distinct silicate solid crust. what is a silicate? In chemistry, it is any member of a family of anions consisting of silicon and oxygen. how is it detected? It reacts with molybdate anions yielding yellow silicomolybdate complexes. what is zeolite to it? The nature of soluble silicates is relevant to understanding biomineralization and the synthesis of aluminosilicates, such as the industrially important catalysts called zeolites. is it naturally occurring? Conventional open-pit mining techniques are used to mine natural zeolites.
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Biomineralization [SEP] Introduction
Biomineralization, or biomineralisation is the process by which living organisms produce minerals, often to harden or stiffen existing tissues. Such tissues are called mineralized tissues. It is an extremely widespread phenomenon; all six taxonomic kingdoms contain members that are able to form minerals, and over 60 different minerals have been identified in organisms. Examples include silicates in algae and diatoms, carbonates in invertebrates, and calcium phosphates and carbonates in vertebrates. These minerals often form structural features such as sea shells and the bone in mammals and birds. Organisms have been producing mineralised skeletons for the past 550 million years. Ca carbonates and Ca phosphates are usually crystalline, but silica organisms (sponges, diatoms...) are always non crystalline minerals.