graphite
No, we don't use galena is pencils. Galena is the primary ore of the metal lead, and this mineral, PbS, is recovered for that purpose. We also often recover silver as a byproduct of lead processing. It is graphite that is used in pencils, and the mineral graphite is an allotrope of carbon.
Graphite is a soft form of carbon used in pencils. The graphite is mixed with clay, which also contain minerals,
Realgar is an orange-red mineral used in pyrotechnics and as a pigment for tanning.
Phosphate is a mineral used in making soda.
Calcite is a non silicate mineral because it does not contain silicon.
Graphite is the mineral used in pencils.
No, we don't use galena is pencils. Galena is the primary ore of the metal lead, and this mineral, PbS, is recovered for that purpose. We also often recover silver as a byproduct of lead processing. It is graphite that is used in pencils, and the mineral graphite is an allotrope of carbon.
Graphite is a soft form of carbon used in pencils. The graphite is mixed with clay, which also contain minerals,
graphite
graphite
The regular mineral lead Is used for making pencils and other things
Graphite.
Assuming you meant "pencils", graphite.
Talc is a very soft mineral, often used to make talcum powder, the powdered version of that mineral.
Graphite Chemical Composition: C
Realgar is an orange-red mineral used in pyrotechnics and as a pigment for tanning.
graphite