Just finished and in the shop--
Dumortierite is not too well known, but I don't know why--it is a lovely minor gemstone with a deeper and darker blue than Lapis, with which it is often compared.
This Rosary features black Onyx Aves and dumortierite Paters,
The Crucifix is a heavy, enamelled one with a St Benedict medal placed above and behind the Corpus--St Benedict is a strong protector against Evil.
More pictures and info at https://www.etsy.com/listing/226100451/rosary-unique-blue-dumortierite-