9- Corundum #orange Clinoclase lends itself to the

Clinoclase lends itself to the "C" shape

Opal is a 6 on the Mohs Scale of Mineral Hardness

The number "4" is represented by the mineral Kyanite which is a 4 on the Mohs Scale of Mineral Hardness

Z is for zinnwaldite

The number "5" is represented by the mineral Fluorapophyllite-(K) which is a 5 on the Mohs Scale of Mineral Hardness

9- Corundum #orange Clinoclase lends itself to theThe number "9" is represented by the mineral corundum which is the defining mineral for 9 on the Mohs Scale of Mineral Hardness. Here it grows with white calcite as commonly happens in nature. All prints are of digital paintings of minerals created with archival ink and paper. Each print is signed by the artist. You can watch the painting process in the video below.