Ice H2 O
Minerals containing H2O —
Open
Ice crystals of the Bereznikovsky karst caves. State nature reserve Pinezhsky". February 2021.
Photo by Yulia Kolosova (via Wikimedia Commons), CC-BY-4.0
0
8
0
IR, PL
Mineral, Simple oxide
Iceland spar CaCO3
Calcite —
Open
Iceland spar (variety of calcite)
Photo by ArniEin (via Wikimedia Commons), CC BY-SA 3.0
0
3
3
PL/Laser
Carbonate , Variety
Idrialite C22 H14
—
—
Open
Idrialite from Skaggs Springs, Sonoma County, California, USA
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
7
0
PL
Mineral, Organic
Illite K0.65 Al2.0 [Al0.65 Si3.35 O10 ](OH)2
White mica , Muscovite Illite-1Md
Open
Image of Illite-1Md, Albite, Calcite, Hematite, Illite-Smectite 11.5A and Quartz in specimen 'APIH41 Serpentine' [CSIRO].
(C) 2025 CSIRO Mineral Resources. All rights reserved.
1
0
0
—
Hydroxide, Aluminosilicate , Variety
Illite-1Md K0.65 Al2.0 [Al0.65 Si3.35 O10 ](OH)2
Illite —
1
0
0
—
Hydroxide , Aluminosilicate , Polytype
Illite-Smectite 11.5A K0.65 Al2.0 [Al0.65 Si3.35 O10 ](OH)2 ‒ A0.3 D2-3 [T4 O10 ]Z2 · n H2 O
Mica , Smectite (group) —
1
0
0
—
Aluminosilicate
Illite-Smectite 12.0A K0.65 Al2.0 [Al0.65 Si3.35 O10 ](OH)2 ‒ A0.3 D2-3 [T4 O10 ]Z2 · n H2 O
Mica , Smectite (group) —
2
0
0
—
Aluminosilicate
Ilmenite FeII TiIV O3 , (Fe,Mn)TiO3 , FeTiO3
—
—
Open
Ilmenite specimen from Froland, Aust-Agder, Norway. Size: 5.7 x 4.7 x 4.5 cm
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
9
0
3
EDS
Mineral, Titanate
Inderborite CaMg[B3 O3 (OH)5 ]2 ·6H2 O
Minerals containing OH , Minerals containing H2O —
0
1
0
PL
Hydroxide , Mineral, Hydrated , Borate
Indium gallium nitride InGaN
—
—
Open
InGaN UV LED, emitting in 380-405 nm band
Photo by Christian Pelan, Creative Commons
0
1
0
CL/SEM
Compound, Nitride
Indium oxyhydroxide InOOH
—
—
0
4
0
IR
Hydroxide , Compound
Indium phosphide InP
—
—
Open
Polished InP single crystal
Photo by Materialscientist at en.wikipedia, CC BY-SA 3.0
1
1
2
SXES
Compound
Inyoite CaB3 O3 (OH)5 ·4H2 O
Minerals containing OH , Minerals containing H2O —
0
1
0
PL
Hydroxide , Mineral, Hydrated , Borate
Iodargyrite AgI
—
—
0
1
0
IR
Mineral, Halide
Iridium Ir
—
—
Open
1g of iridium metal, 1-3mm each
(C) 2009 Hi-Res Images of Chemical Elements (http://images-of-elements.com), via Wikimedia Commons. CC-BY-3.0
1
15
2
SXES
Mineral , Metal , Element
