Andalusite is named after Andalusia in Spain, where it has been found. The black crosses are caused by carbonaceous inclusions which is a special form of Andalusite also known as Chiastolite.
The size will vary on the cabochons.
1. 0.80" x 0.32" x 0.16"
2. 0.73" x 0.36" x 0.21"
3. 0.56" x 0.56" x 0.23"
4. 0.64" x 0.43" x 0.19"
5. 0.55" x 0.45" x 0.23"
6. 0.48" x 0.39" x 0.19"
7. 0.68" x 0.41" x 0.23"
8. 0.91" x 0.40" x 0.18"
9. 0.81" x 0.44" x 0.18"
10. 0.81" x 0.37" x 0.22"
11. 0.81" x 0.40" x 0.19"