10CTW Mixed Umba River Gemstones

10CTW Mixed Umba River Gemstones. These tend to change colors depending on angle and lighting etc. but they appear to me as a deep pink or purple and sometimes take on red coloring. These are sealed in pack they arrived in from JTV. From smoke free home. I googled this gemstone because I was not familiar with and heres what google said:

Mixed gemstones from the Umba River Valley in Tanzania are renowned for their exceptional variety, particularly untreated, multicolored sapphires and unique garnets (Umbalite) found in alluvial deposits. First mined in the 1960s, this region produces a diverse, often, "mixed", spectrum of stones including rubies, sapphires, garnets, and rare, color-shifting gems.