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Trona

Pictures (7 Images total)

Trona
Views (Image: 1250874368): 2778
Trona

Größe: 70x60 mm; Fundort: Owens Lake, Inyo Co., Kalifornien, USA

Collection: giantcrystal
Copyright: slugslayer
Contribution: slugslayer 2009-08-21
Locality: Owens Lake / Inyo Co. / Kalifornien (California) / USA
Trona
Views (Image: 1245094077): 2728
Trona

Größe: 55x32 mm; Fundort: Shomiokitovoe, Umbozero, Alluaiv, Lovozero, Kola, Murmansk, Russland

Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-06-15
Locality: Shomiokitovoe-Pegmatit / Umbozero / Alluaiv / Lovozero / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Trona
Views (Image: 1282587152): 2512
Trona

Größe: 7 x 5 cm, Fundort: Wadi el Natrun, Western Desert, Ägypten

Copyright: Luigi Chiappino
Contribution: thdun5 2010-08-23
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten
Trona
Views (Image: 1322307868): 1538
Trona

Größe: 11 mm; Fundort: Wadi el Natrun, Western Desert, Ägypten

Copyright: Enrico Bonacina
Contribution: Hg 2011-11-26
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten
Trona
Views (Image: 1282587091): 2027
Trona

Bildbreite: 2 mm, Fundort: Wadi el Natrun, Western Desert, Ägypten

Copyright: Luigi Chiappino
Contribution: thdun5 2010-08-23
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten
Trona
Views (Image: 1282587125): 905
Trona

Größe: 9 x 5 cm, Fundort: Wadi el Natrun, Western Desert, Ägypten

Copyright: Luigi Chiappino
Contribution: thdun5 2010-08-23
Locality: Sketische Wüste (Wadi an Natrun; Wadi el Natrun) / Al-Buhaira, Gouvernement / Ägypten

Collectors Summary

Color farblos, grauweiß, graulich, gelblich, gelblich weiß
Streak color weiß
Hardness (Mohs) 2.5
Solubility +++ H2O, !trockene Luft, Lagern in einem geschlossenen Behälter
Crystal System monoklin, C2/c

Additional information / Summary

s.a. > Geologisches Portrait/Lagerstätten

Chemism

Chem­ical formula

Na3(CO3)(HCO3)·2H2O

Chem­ical com­po­si­tion

Natrium, Kohlenstoff, Sauerstoff, Wasserstoff

Unit weight: 226.0260456 u; Number of atoms in the formula: 18

Info

Empirical formula:

Na3(CO3)(HCO3)·2H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.23

5

27.78

1.0079470

5.0397350

Carbon

C

10.63

2

11.11

12.0107800

24.0215600

Oxygen

O

56.63

8

44.44

15.9994300

127.9954400

Sodium

Na

30.51

3

16.67

22.9897702

68.9693106

Anal­y­sis wt%

Na2O : 41.13, CO2 : 38.94, H2O : 19.93 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

5.CB.15

5: Carbonate (Carbonate, Nitrate)
C: Carbonate ohne weitere Anionen, mit H2O
B: Mit großen [Kationen] (Alkali- und Alkali-Erden-Carbonaten)
15:Trona-Gruppe

Lapis Clas­sifica­tion

V/D.02-030

V: NITRATE, CARBONATE UND BORATE
D: Wasserhaltige Carbonate, ohne fremde Anionen

Clas­sifica­tion by Hölzel

5.CB.200

5: CARBONATES NITRATES ARSENITES SULFITES SELENITES TELLURITES IODATES
C: Carbonates (-Anions +Water)
B: Natron-Pirssonite-Group

Dana 8th edi­tion

13.01.04.01

13: Carbonate Minerals
01: Acid Carbonates with miscellaneous formulae

IMA sta­tus

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

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

farblos, grauweiß, graulich, gelblich, gelblich weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

durchscheinend

max. Birefrin­gence

0.027

Birefringence chart\! Trona title=Birefringence chart Trona

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

1.415

RI value β

1.492

RI value γ / ε

1.542

Ri mean

1.483

2V angle

Biaxial (-) 76°

Optical Data Luminescence

Color LW-UV (365nm)

 

orangegelb

Color SW-UV (254nm)

 

gelblich weiß

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

15

Space Group

C2/c

Cell param­e­ters a (Å)

20.11

Cell param­e­ters b (Å)

3.49

Cell param­e­ters c (Å)

10.31

Cell param­e­ters a/b or c/a

5.762

Cell param­e­ters c/b

2.954

Cell param­e­ters α

90°

Cell param­e­ters β

103.13

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

704.679

X-Ray Pow­der Diffrac­tion

9.77(40),
4.892(50),
3.196(20),
3.071(80),
2.647(100),
2.444(30),
2.254(30),
2.029(30)

XRD chart Trona

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)

2.5

VHN (Hard­ness Vick­ers)

68 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.11 - 2.17 / Durchschnittlich = 2.13

2.13 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O, !trockene Luft, Lagern in einem geschlossenen Behälter

Preface

Author (Name, Year)

Wallerius, 1747

References

Handbook of Mineralogy (Anthony et al.), 5 (2003), 712

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Trona

Na3(CO3)(HCO3)·2H2O

monoklin : 2/m : C2/c

5.CB.15

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Thermonatrite

Na2CO3·H2O

orthorhombisch : mm2 : Pca21

V/D.02-010

Natron

Na2CO3·10 H2O

monoklin : m : Cc

V/D.02-020

Trona

Na3(CO3)(HCO3)·2H2O

monoklin : 2/m : C2/c

V/D.02-030

Baylissite

K2Mg(CO3)2·4H2O

monoklin : 2/m : P21/n

V/D.02-040

Pirssonite

Na2Ca(CO3)2·2H2O

orthorhombisch : mm2 : Fdd2

V/D.02-050

Gaylussite

Na2Ca(CO3)2·5H2O

monoklin : 2/m : I2/a

V/D.02-060

Chalconatronite

Na2Cu(CO3)2·3H2O

monoklin : 2/m : P21/n

V/D.02-070

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Trona

Na3(CO3)(HCO3)·2H2O

monoklin : 2/m : C2/c

5.CB.200

Sarrabusite

Pb5CuCl4(SeO3)4

monoklin : 2/m : C2/c

5.CB.260

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Nahcolite

NaHCO3

monoklin : 2/m : P21/c

13.01.01.01

Kalicinite

KH[CO3]

monoklin : 2/m : P21/a

13.01.02.01

Teschemacherite

(NH4)HCO3

orthorhombisch : mmm : Pccn

13.01.03.01

Trona

Na3(CO3)(HCO3)·2H2O

monoklin : 2/m : C2/c

13.01.04.01

Nesquehonite

Mg(HCO3)(OH)·2H2O

monoklin : 2/m : P21/n

13.01.05.01

Wegscheiderite

Na5(CO3)(HCO3)3

triklin : 1 : P1

13.01.06.01

Sergeevite

Ca2Mg11(CO3)9(HCO3)4(OH)4·6H2O

13.01.07.01

Barentsite

Na7AlH2(CO3)4F4

triklin : 1, 1 : P1, P1

13.01.08.01

Thomasclarkite-(Y)

Na(Y,Ce,La)[(OH)3|HCO3]·4H2O

monoklin : 2 : P2

13.01.09.01

Alternative Name

Latin

Alkali orientale impurum terrestre

German

Natrum von Tripole

German

Stralige Natrum

German

Tronit

Spanish

Tronita

Tronite

French

Urao

German

Ägyptisches Natrium

CNMNC symbol

Symbol

Tn

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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