Mr. Physics:
Mineral or Vegetable?
Mr. Physics:
MSS_0010
Mr. Physics:
Wulfenite - PbMoO4
Mr. Physics:
Hubnerite with Quartz - Mn[2+]WO4
Mr. Physics:
MSS_0036
Mr. Physics:
Unknown_0038
Mr. Physics:
Quartz (variety amethyst) - SiO2
Mr. Physics:
MSS_0042
Mr. Physics:
MSS_0050
Mr. Physics:
MSS_0052
Mr. Physics:
Pyrite and Quartz
Mr. Physics:
Chalcanthite ?
Mr. Physics:
Wulfenite
Mr. Physics:
MSS_0072
Mr. Physics:
Scolecite 2
Mr. Physics:
Prehnite with Calcite Ca2Al2Si3O10(OH)2
Mr. Physics:
Prehnite with Calcite
Mr. Physics:
Sphalerite - ZnS
Mr. Physics:
Galena with calcite and sphalerite - PbS
Mr. Physics:
Sphalerite with quartz and Galena - ZnS
Mr. Physics:
Millerite ?
Mr. Physics:
Stibnite
Mr. Physics:
Stibnite - Sb2S3
Mr. Physics:
Diopside with Prehnite
Mr. Physics:
Dioptase - Cu[2+]SiO2(OH)2
Mr. Physics:
Manganaxinite ?
Mr. Physics:
Gypsum (Ram's Horn Selenite)
Mr. Physics:
Gyrolite, Calcite & Okenite in Basalt Vesicle
Mr. Physics:
unknown_0183
Mr. Physics:
unknown_0186
