75 Grams Raw Ruby Crystals Training Rough Material This is a very nice

This is a very nice Afghan tourmaline crystal lot for lapidary artists

and a very soft brush

these stones have a great shape

Treatment: Untreated (100% Natural)

Q: How do I handle the strong pleochroism in Winza sapphires

75 Grams Raw Ruby Crystals Training Rough Material This is a very niceThese rubies crystals are natural gemstones and precious stones. The total weight of the parcel is 75 grams, with individual pieces averaging under 1 to 1. 90 grams each. Most pieces display a trigonal crystal habit with hexagonal structure and characteristic of ruby and corundum formations. Colors range from purplish pink to pink, showcasing the natural color variations of Mozambique ruby rough. The clarity varies across the lot, including semi