Stone is being used for kitchen worktops classified into several types based on a number pf factors, The most important of which are Thickness,Purity,Hardness, and chemical compositions. The classifications are summarized in the following types
Granite 100% natural stone extracted from the earth and form under long procedures need pressure and heat to form different unregulated colours. Granite are solid surfaces and suitable choice for design you kitchen worktops. It comes in two thickness 20mm and 30mm.
Natural Stone Worktop
This type of stone manufactured from a mixture of materials, Mostly powders ,mix with special chemical oxided dyes. Quartz is harder than granite as it is not porous and it is considered indestructible. Quartz comes in three thicknesses 12,20, and 30mm. As quartz is not natural stone, it has huge range of colours, from plain white to black starlight which has flecks giving the kitchen incredible view.
It is hard form of limestone and the best option for flooring,bathroom vanities. Marble is the porous stone and could stain easily, so need to care about the kitchen worktops marble frequently. Although marble it is hard stone, It is the least stone used for kitchen counter-tops.