The chemical formula for Calcium Silicate is Ca2SiO4.

A mix of sodium silicate, aka waterglass, and calcium cloride will create calcium silicate.

Sea salt doesn't contain calcium silicate; calcium silicate can be added to salt as an anticaking agent.

* Clinopyroxenes (monoclinic) ** Aegirine (Sodium Iron Silicate) ** Augite (Calcium Sodium Magnesium Iron Aluminium Silicate) ** Clinoenstatite (Magnesium Silicate) ** Diopside (Calcium Magnesium Silicate, CaMgSi2O6) ** Esseneite (Calcium Iron Aluminium Silicate) ** Hedenbergite (Calcium Iron Silicate) ** Hypersthene (Magnesium Iron Silicate) ** Jadeite (Sodium Aluminium Silicate) ** Jervisite (Sodium Calcium Iron Scandium Magnesium Silicate) ** Johannsenite (Calcium Manganese Silicate) ** Kanoite (Manganese Magnesium Silicate) ** Kosmochlor (Sodium Chromium Silicate) ** Namansilite (Sodium Manganese Silicate) ** Natalyite (Sodium Vanadium Chromium Silicate) ** Omphacite (Calcium Sodium Magnesium Iron Aluminium Silicate) ** Petedunnite (Calcium Zinc Manganese Iron Magnesium Silicate) ** Pigeonite (Calcium Magnesium Iron Silicate) ** Spodumene (Lithium Aluminium Silicate) * Orthopyroxenes (orthorhombic) ** Hypersthene ** Donpeacorite, (MgMn)MgSi2O6 ** Enstatite, Mg2Si2O6 ** Ferrosilite, Fe2Si2O6 ** Nchwaningite (Hydrated Manganese Silicate) * Schefferite, Ca(Mg,Fe,Mn)Si2O6 * Zinc schefferite, Ca(Mg,Mn,Zn)Si2O6 * Jeffersonite, Ca(Mg,Fe,Mn,Zn)Si2O6 * Leucaugite, Ca(Mg,Fe,Al)(Al,Si)2O6 * Calcium-Tschermak's molecule, CaAlAlSiO6

* Clinopyroxenes (monoclinic) ** Aegirine (Sodium Iron Silicate) ** Augite (Calcium Sodium Magnesium Iron Aluminium Silicate) ** Clinoenstatite (Magnesium Silicate) ** Diopside (Calcium Magnesium Silicate, CaMgSi2O6) ** Esseneite (Calcium Iron Aluminium Silicate) ** Hedenbergite (Calcium Iron Silicate) ** Hypersthene (Magnesium Iron Silicate) ** Jadeite (Sodium Aluminium Silicate) ** Jervisite (Sodium Calcium Iron Scandium Magnesium Silicate) ** Johannsenite (Calcium Manganese Silicate) ** Kanoite (Manganese Magnesium Silicate) ** Kosmochlor (Sodium Chromium Silicate) ** Namansilite (Sodium Manganese Silicate) ** Natalyite (Sodium Vanadium Chromium Silicate) ** Omphacite (Calcium Sodium Magnesium Iron Aluminium Silicate) ** Petedunnite (Calcium Zinc Manganese Iron Magnesium Silicate) ** Pigeonite (Calcium Magnesium Iron Silicate) ** Spodumene (Lithium Aluminium Silicate) * Orthopyroxenes (orthorhombic) ** Hypersthene ** Donpeacorite, (MgMn)MgSi2O6 ** Enstatite, Mg2Si2O6 ** Ferrosilite, Fe2Si2O6 ** Nchwaningite (Hydrated Manganese Silicate) * Schefferite, Ca(Mg,Fe,Mn)Si2O6 * Zinc schefferite, Ca(Mg,Mn,Zn)Si2O6 * Jeffersonite, Ca(Mg,Fe,Mn,Zn)Si2O6 * Leucaugite, Ca(Mg,Fe,Al)(Al,Si)2O6 * Calcium-Tschermak's molecule, CaAlAlSiO6