Pyrophyllite Al2 Si4 O10 (OH)2
Clay , Minerals containing OH —
Open
Pyrophyllite specimen from Maricopa, Kern Co., CA, USA.
©
Photo by Chip Clark, Smithsonian Institution. CC0
3
0
PL, Reflectance
Hydroxide , Mineral, Aluminosilicate
Quartz SiO2
Silica Amethyst , Flint , Jasper , Chalcedony , Agate , Citrine
Open
Rutilated quartz specimen, from Ibitiara, Bahia, Northeast Region, Brazil. Size: 6.6 x 5.5 x 5.1 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
101
10
CL, CL/SEM, EDS, Reflectance
Mineral, Simple oxide
REE(III) hydroxide REEIII (OH)3
—
—
2
0
IR
Hydroxide , Compound
REE(III) oxyhydroxide REEIII OOH
—
—
2
0
IR
Compound
Realgar AsS
—
—
Open
Realgar specimen from Royal Reward Mine, Green River Gorge, Franklin, King Co., WA, USA
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
2
0
PL, PL/XL
Mineral, Sulphide
Reidite ZrSiO4
Minerals containing SiO4 , Zircon (group) —
5
1
CL/SEM
Mineral, Silicate
Renardite Pb(UO2 )4 (PO4 )2 (OH)4 ·7H2 O
Minerals containing H2O , Minerals containing PO4 , Minerals containing OH —
4
0
PL
Hydroxide , Mineral, Orthophosphate , Phosphate , Uranyl , Hydrated
Rhenium Re
—
—
Open
©
(C) 2024 James St. John (via Wikimedia Commons). CC-BY-2.0
15
2
SXES
Metal , Element
Rhodium Rh
—
—
Open
\Rhodium foil and wire. Image taken by User:Dschwen on January 12th 2006.
©
(C) 2006 Dschwen (via Wikimedia Commons). CC-BY-2.5
11
2
SXES
Mineral , Metal , Element
Rhodizite KBe4 Al4 (B11 Be)O28
—
—
Open
Rhodizite (yellow, 1.7cm) with pink and dark green bicolor Tourmaline, from Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
6
0
PL/XL
Mineral
Rhodochrosite MnCO3
Calcite (group) , Minerals containing CO3 —
Open
Rhodochrosite specimen from N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
©
Photo by Chip Clark, via Smithsonian National Museum of Natural History
2
2
Reflectance
Carbonate , Mineral
Rhodonite CaMn4 Si5 O15
Pyroxenoid , Rhodonite (group) —
Open
Rhodonite specimen from Conselheiro Lafaiete, Minas Gerais, Southeast Region, Brazil. Size: 8.4 x 5.2 x 2.8 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
1
3
Reflectance, SXES
Mineral, Silicate
Richterite Na(NaCa)Mg5 Si8 O22 (OH)2
Richterite root name group , Minerals containing OH —
Open
Richterite from Badakhshan (Badakshan; Badahsan) Province, Afghanistan. Size: 1.6 x 1.2 x 0.6 cm.
©
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
6
0
PL, PL/XL
Mineral, Silicate , Hydroxide
Rondorfite Ca8 Mg(SiO4 )4 Cl2
Minerals containing SiO4 —
4
0
PL
Mineral, Silicate
Rorisite CaClF
—
—
1
0
Unknown
Mineral, Halide
