Natrolite Na2 (Si3 Al2 )O10 ·2H2 O
Minerals containing H2O —
Open
Image of natrolite in specimen 'M 35846' (Museums Victoria), from Tasmania, Australia
Photograph by Benjamin Healley, Museums Victoria, CC-BY-4.0
0
10
0
IR, PL
Mineral, Hydrated , Aluminosilicate
Natrouranospinite Na2 (UO2 )2 (AsO4 )2 ·5H2 O
Minerals containing AsO4 , Meta-autunite (group) , Minerals containing H2O —
0
9
0
PL
Mineral, Arsenate , Hydrated , Uranyl
Nefedovite Na5 Ca4 (PO4 )4 F
Minerals containing PO4 —
Open
Colorless very shiny crystals of the rare phosphate mineral nefedovite from the type locality in Khibiny (Khibiny Massif, Murmansk Oblast, Russian Federation)
Photo (C) 2020 David Hospital (via Wikimedia Commons), CC-BY-SA 4.0
0
1
0
PL
Mineral, Phosphate , Orthophosphate
Neighborite NaMgF3
—
—
Open
Neighborite from Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
Photo by Modris Baum (via Wikimedia Commons), Public Domain
0
2
0
PL/XL, Unknown
Mineral, Halide
Neodymium fluoride NdF3
REE fluoride —
1
12
1
CL/SEM
Halide , Nd, Synthetic , Compound
Neodymium oxyhydroxide NdOOH
—
—
0
1
0
IR
Hydroxide , Nd, Compound
Neodymium ultraphosphate NdP5 O14
REE ultraphosphate —
1
8
2
CL/SEM, SXES
Nd, Phosphate , Synthetic , Compound , Ultraphosphate
Nepheline Na3 K(Al4 Si4 O16 )
Feldspathoid (group) —
Open
Nepheline, tan crystals on black schorlomite, from the High Atlas Mountains in Morocco. Dimensions: 50 mm x 43 mm x 31 mm
Image by Kelly Nash (via Wikimedia Commons), CC-BY 3.0
1
0
0
—
Mineral, Aluminosilicate
Nickel Ni
—
—
Open
A piece of electrochemically grown nickel
(C) 2021 Paul from Enschede, The Netherlands (via Wikimedia Commons). CC-BY-SA 2.0
1
11
2
SXES
Mineral , Metal , Element
Nickel oxide NiO
Nickel(II) oxide —
0
19
0
IR, PL, PL/Laser
Simple oxide
Nickel(II) hydroxide Ni(OH)2
—
—
0
1
0
IR
Hydroxide, Compound
Nickeline NiAs
—
—
Open
Nickeline specimen from Eisleben, Mansfeld-Südharz, Saxony-Anhalt, Germany. Field of view 1.5 cm
Photo by Leon Hupperichs (via Wikimedia Commons), CC-BY-SA-3.0
3
0
1
SXES
Mineral, Arsenide
Nontronite Na0.3 FeIII 2 (Si,Al)4 O10 (OH)2 ·n H2 O
Smectite (group) , Minerals containing OH , Minerals containing H2O Nontronite-15.6A
Open
Image of Nontronite and Goethite in specimen 'APIH33a Nontronite' [CSIRO].
(C) 2025 CSIRO Mineral Resources. All rights reserved.
1
0
0
—
Hydroxide , Mineral, Hydrated , Aluminosilicate
Nontronite-15.6A Na0.3 FeIII 2 (Si,Al)4 O10 (OH)2 ·n H2 O
Nontronite —
1
0
0
—
Hydroxide , Hydrated , Aluminosilicate , Polytype
Norbergite Mg3 (SiO4 )F2
Humite (subgroup) , Minerals containing SiO4 —
Open
Photograph of a specimen of norbergite (yellow) in marble, from Orange County, New Jersey. Size:5cm
Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.
1
0
0
—
Mineral, Silicate
