![pink crystals of stolzite from Zinnwald of Bohemia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/stolzite-rose-cristaux-zinnwald-boheme54.png)
tetragonal
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![pink crystals of stolzite from Zinnwald of Bohemia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/stolzite-rose-cristaux-zinnwald-boheme54.png)
![emerald cut sellaite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/sellaite-taille-emeraude11.png)
![oval cut scheelite from China](https://www.patrickvoillot.com/wp-content/uploads/2021/03/scheelite-taille-ovale-chine70.png)
![scapolite from Tanzania drop cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/scapolite-tanzanie-goutte71.png)
scapolite
ck_admin
March 24, 2021
It owes its name to its prismatic facies (from the Greek “skapos” rod and “lithos”, stone) and designates an isomorphic series going from sodic marialite to calcic meionite. The members of this series are the Wernerite, the Dipyre, the Meionite, the Marialite. The Wernerite, which
![rutile as inclusions in quartz](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rutile-inclusion-quartz-bresil74.png)
![pyrolusite crystals from Germany](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pyrolusite-cristaux-allemagne84.png)
pyrolusite
ck_admin
March 24, 2021
Identified and named in 1827, its name comes from the Greek words meaning “fire” and “who washes”, as it was used to remove from glass its green and brown color due to iron. This is the main element of “dendrites ” black seepage into the