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Pictures (2 Images total)

Nitrokalit
Views (File:
1300971696
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Nitrokalit
Weißer, pulveriger Nitrokalit auf Schweißschlacke vom Steinbruch Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland. Bildbreite: 3 mm.
Copyright: raritätenjäger; Contribution: raritätenjäger
Collection: raritätenjäger
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Niter
Image: 1300971696
Rating: 4 (votes: 2)
License: Usage for Mineralienatlas project only
Nitrokalit

Weißer, pulveriger Nitrokalit auf Schweißschlacke vom Steinbruch Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland. Bildbreite: 3 mm.
Collection: raritätenjäger
Copyright: raritätenjäger
Contribution: raritätenjäger 2011-03-24
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland
Nitrokalit
Views (File:
1417026228
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Nitrokalit
Kugelige farblose Kristalle wie Glaskugeln, BB = 1,8 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.
Copyright: Hannes Osterhammer; Contribution: Münchener Micromounter
Collection: Lithothek der Münchener Micromounter, Collection number: A017204, Donator: Horst Geuer
Location: Deutschland/Rheinland-Pfalz/Mayen-Koblenz-Kreis/Vordereifel, Verbandsgemeinde/Ettringen/Bellerberg/Ettringer Bellerberg (Stbr. Caspar)
Mineral: Niter
Image: 1417026228
License: Usage for Mineralienatlas project only
Nitrokalit (SNr: A017204)

Kugelige farblose Kristalle wie Glaskugeln, BB = 1,8 mm; Fundort: Stbr. Caspar, Ettringer Bellerberg, Ettringen, Eifel, Rheinland-Pfalz, Deutschland.
Collection: Lithothek der Münchener Micromounter
Copyright: Hannes Osterhammer
Contribution: Münchener Micromounter 2014-11-26
Locality: Ettringer Bellerberg (Stbr. Caspar) / Bellerberg / Ettringen / Vordereifel, Verbandsgemeinde / Mayen-Koblenz-Kreis / Rheinland-Pfalz / Deutschland

You find additional specimen at the Geolitho Museum

Collectors Summary

Color farblos
Streak color weiß
Lustre Glasglanz
Hardness (Mohs) 2
Cleavages vollkommen {011}, gut {010}, unperfekt {110}
Solubility +++ H2O
Crystal System orthorhombisch, Cmc21

Chemism

Chemical formula

KNO3

Chemical composition

Kalium, Sauerstoff, Stickstoff

Unit weight: 101.10332 u; Number of atoms in the formula: 5

Info

Empirical formula:

KNO3

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Nitrogen

N

13.85

1

20.00

14.0067200

14.0067200
Oxygen

O

47.47

3

60.00

15.9994300

47.9982900
Potassium

K

38.67

1

20.00

39.0983100

39.0983100

Analysis wt%

K2O : 46.59, N2O5 : 53.41 (Ref: berechnet)

Strunz 9th edition incl. updates

5.NA.10

5: Carbonate (Carbonate, Nitrate)
N: Nitrate
A: Ohne OH oder H2O
10:Nitrokalit-Gruppe

Lapis Classification

V/A.01-020

V: NITRATE, CARBONATE UND BORATE
A: Nitrate [NO3] 1-

Classification by Hölzel

5.HA.310

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
H: Nitrates
A: Nitrates (-Anions -Water)

Dana 8th edition

18.01.02.01

18: Simple Nitrates
01: Simple Nitrates where A xNO3 · x(H2O), x can equal zero
02: Niter Series

IMA status

Erstbeschreibung vor CNMNC-Gründung (1959), als Mineral meist anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

farblos

Streak color

weiß

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.172
Birefringence chart\! Niter title=Birefringence chart Niter

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.332

RI value β

1.504

RI value γ / ε

1.504

Ri mean

1.447

2V angle

Biaxial (-) 7° (gemssen)

Orientation

X = c; Y = a; Z = b

Dispersion

schwach, r < v

Optical Data Luminescence

Color LW-UV (365nm)

  

weiß

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mm2

Space Group number

36

Space Group

Cmc21

Cell parameters a (Å)

5.414

Cell parameters b (Å)

9.164

Cell parameters c (Å)

6.431

Cell parameters a/b or c/a

0.591

Cell parameters c/b

0.702

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

4

Volume (ų)

319.067

X-Ray Powder Diffraction

3.78(100),
3.73(60),
3.033(50),
2.763(30),
2.662(40),
2.647(50),
2.192(40),
1.947(20)
XRD chart Niter

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

2

VHN (Hardness Vickers)

32 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.11 (gemessen)

2.105 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {011}, gut {010}, unperfekt {110}

Instability

+++ H2O

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 497

Acta Crystallographica C59 (2003), i139

Other languages

English

Niter

French

Nitre

Spanish

Nitro

German

Nitrokalit

Russian

Калиевая селитра

Simplified Chinese

钾硝石

Alternative Name

German

Kali-Nitrat

Kalisalpeter

German

Natürliche salpeter

Nitrate of Potash

French

Potasse nitratée

Latin

Sal petrae

Spanish

Salitre

Salpeter (Nitrokalit)

German

Salpetersaures Kali

Salpetre

English

Saltpeter

CNMNC symbol

Symbol

Nit

Locations with GPS information

IDs

GUSID (Global unique identifier short form) VbmaE-HEYE-pBESVK8HbAQ
GUID (Global unique identifier) 139AB955-C4E1-4F60-A904-44952BC1DB01
Database ID 2769