
White
Limestone
90
Yes
India
Name : Udisaii Eating SOFT EARTHY SLATE PENCILS SLATE PENCIL EARTHY PURE WHITE SLATE PENCILS (90 Sticks)
Material : Limestone
Colour : White
Dustless : Yes
Net Quantity (N) : 90
Slate pencils in India(more specifically southern India) are made from a type of sedimentary rock known as Shale, which is composed of mud that is a mixture of clay minerals (kaolinite,montmorillonite and illite) and small quantities of other minerals especially quartz and calcite. The ratio of clay to the other minerals gives the shale its colour. Shale from which slate pencils are made, are light gray in colour.
Country of Origin : India
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