How to use mineral hardness scores (1 to 10) to store and wear soft Calcite (3) separately from hard Quartz (7) and Moissanite (9.25).
Gemstone Durability
Mohs Hardness Scale for Gemstone Collectors: Preventing Jewelry Scratches
How to use mineral hardness scores (1 to 10) to store and wear soft Calcite (3) separately from hard Quartz (7) and Moissanite (9.25).
Mohs Hardness Scale for Crystal Collectors: Protecting Your Jewelry from Scratches
Learn how mineral hardness impacts daily wearability and how to store soft stones like Calcite (3) away from hard Quartz (7).


