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. 1.11" x 0.78" x 0.25"
2. 0.99" x 0.80" x 0.18"
3. 0.99" x 0.85" x 0.20"
4. 1.03" x 0.88" x 0.20"
5. 0.96" x 0.81" x 0.23"
6. 0.92" x 0.89" x 0.20"
7. 0.96" x 0.86" x 0.19"
8. 0.99" x 0.89" x 0.21"
9. 0.89" x 0.86" x 0.19"
10. 1.00" x 0.88" x 0.16"
11. 0.88" x 0.79" x 0.18"
12. 0.87" x 0.82" x 0.19"
13. 1.32" x 0.84" x 0.20"
14. 1.07" x 0.87" x 0.21"
15. 1.00" x 0.93" x 0.21"
16. 1.13" x 0.89" x 0.20"