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. 0.85" x 0.58" x 0.18"
2. 0.74" x 0.60" x 0.18"
3. 0.71" x 0.54" x 0.19"
4. 0.84" x 0.55" x 0.22"
5. 0.76" x 0.55" x 0.22"
6. 0.76" x 0.57" x 0.22"
7. 0.83" x 0.46" x 0.16"
8. 0.79" x 0.50" x 0.18"
9. 0.88" x 0.53" x 0.19"
10. 0.81" x 0.57" x 0.18"
11. 0.86" x 0.60" x 0.21"
12. 0.83" x 0.63" x 0.18"
13. 0.81" x 0.61" x 0.15"
14. 0.85" x 0.53" x 0.22"
15. 0.92" x 0.43" x 0.20"
16. 0.88" x 0.40" x 0.24"
17. 0.73" x 0.51" x 0.21"
18. 0.66" x 0.62" x 0.18"
19. 0.67" x 0.65" x 0.20"