Gemstone Hardness Chart Pdf. Gems over 6 are considered hard and thus suitable for jewelry. The polish of gems with a mohs hardness of less than 7 can be damaged by common dust, which contains tiny particles of quartz (hardness 7).
The polish of gems with a mohs hardness of less than 7 can be damaged by common dust, which contains tiny particles of quartz (hardness 7). Gems over 6 are considered hard and thus suitable for jewelry. Thus softer stones need to be worn and.
1 Gemstone hardness chart pdf
Thus Softer Stones Need To Be Worn And.
The polish of gems with a mohs hardness of less than 7 can be damaged by common dust, which contains tiny particles of quartz (hardness 7). Gems over 6 are considered hard and thus suitable for jewelry.