Schumacherite

Preisingerite Group. Petitjeanite-Schumacherite Series, and the Preisingerite-Schumacherite Series.

History

Activities related to discovery and approval of the group members

Structural context

Schumacherite
Crystal System triclinicCrystal Class pinacoidalSpace Group P-1
a6.90910.093 (9.2855)
b7.4017.47 (7.4463)
c6.99.399 (7.544)
alpha87.7110.72 (93.53)
beta106.05115.58 (113.12)
gamma92.2111.5 (106.33)
volume427.008437.639 (432.7118)

Based on 4 measurements

Chemical context

Stoichiometric formulas

Schumacherite
mindat.org
  • March 13, 2023Bi3(VO4)2O(OH)
IMA
  • March 13, 2023Bi3O(VO4)2(OH)
mineralogy.rocks
  • Aug. 30, 2022Bi3O(V5+O4)2(OH)

Elements recorded on EPMA

3
As
3
Bi
3
H
3
O
3
V
2
P

Physical properties

ColorColor entities, recognized using a custom trained NER model
    • yellow-brown
    • red-brown
    Color noteOriginal color note from the source
    Yellow to yellow-brown, red-brown.
    Lustre
    Adamantine
    Transparency
    Translucent
    Hardness
    3
    Calculated density
    6.9