Purple rocks are actually minerals with color that can range from blue to violet, 12 of which are pretty common and easy to find.
The 12 Most Common Blue, Violet, and Purple Minerals
Mineral properties - The Australian Museum
How to Identify Minerals in 10 Steps
Crystals minerals HD wallpapers
Metamorphic Rock Types: Pictures and Descriptions
908g Top ! ! Natural pyramid Violet Fluorite Crystal Cluster Mineral Specime
Common violet HD wallpapers
Solved Table 2 Common Minerals Hardness Mineral Name Sample
Single Source Gemstones 12 World's Rarest Gemstones- Navneet Gems
Tanzanite - Wikipedia
Presenting Top Quality Violet Purple Scapolite Crystal Lot From Badakhshan, Afghanistan. Origin: Badakhshan, Afghanistan. Weight: 101 Carats. From
101 Carats Top Quality Violet Purple Scapolite Crystal Lot From Afghanistan