https://www.edelsteine-neuburg.de
https://www.mineral-bosse.de
http://www.spessartit.de/walldorf.html
https://www.mineralbox.biz
https://www.mineraliengrosshandel.com
'._('einklappen').'
 

Mangani-dellaventuraite (Dellaventurait)

Pictures (1 Images total)

Mangani-Dellaventurait
Views (File:
1610572566
): 215
Mangani-Dellaventurait
pinke Aggregate von Mangani-Dellaventurait, Kajlidongri Mine, Jhabua District, Madhya Pradesh, Indien; BB < 3 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta); Contribution: openpit
Location: Indien/Madhya Pradesh/Jhabua, Distrikt/Kajlidongri Mine
Mineral: Mangani-dellaventuraite
Image: 1610572566
License: Usage for Mineralienatlas project only
Mangani-Dellaventurait

pinke Aggregate von Mangani-Dellaventurait, Kajlidongri Mine, Jhabua District, Madhya Pradesh, Indien; BB < 3 mm, analysiert
Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2021-01-13
Locality: Kajlidongri Mine / Jhabua, Distrikt / Madhya Pradesh / Indien

Collectors Summary

Color rosa bis rot
Streak color Blaßrosa
Lustre Glasglanz
Hardness (Mohs) 5
Cleavages vollkommen (110)
Fracture muschelig
Crystal System monoklin, C2/m

Chemism

Chemical formula

NaNa2(MgMn3+2Ti4+Li)Si8O22O2

Additional chem. information

Amphibol Gruppe

Chemical composition

Lithium, Magnesium, Mangan, Natrium, Silicium, Titan, Sauerstoff

Unit weight: 866.6293304 u; Number of atoms in the formula: 40

Info

Empirical formula:

NaNa2(MgMn2TiLi)Si8O22O2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Lithium

Li

0.80

1

2.50

6.9412000

6.9412000
Oxygen

O

44.31

24

60.00

15.9994300

383.9863200
Sodium

Na

7.96

3

7.50

22.9897702

68.9693106
Magnesium

Mg

2.80

1

2.50

24.3050600

24.3050600
Silicon

Si

25.93

8

20.00

28.0855300

224.6842400
Titanium

Ti

5.52

1

2.50

47.8671000

47.8671000
Manganese

Mn

12.68

2

5.00

54.9380499

109.8760998

Analysis wt%

SiO2 : 56.65, TiO2 : 5.40, Al2O3 : 0.75, Fe2O3 : 5.42, Mn2O3 : 9.34, MgO : 8.23, CaO : 2.16, Na2O : 7.83, K2O : 2.44, Li2O : 1.53, H2O : 0.80 (Ref: American Mineralogist 2005)

Strunz 9th edition incl. updates

9.DE.25

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
25:Amphibole: Alkali

Lapis Classification

VIII/F.08-125

VIII: SILIKATE
F: Ketten- und Bandsilikate
8: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Alkali-Amphibole

Classification by Hölzel

9.DJ.810

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
J: Amphiboles; Sodic Amphiboles
8: Ungarettiite-Group

Dana 8th edition

66.01.03c.17

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03c: Group 4, the sodic amphiboles

IMA status

anerkannt 2003

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ O-dominant amphiboles  ⇒ Dellaventuraite (Del) amphiboles

Optical Properties

Color

rosa bis rot

Streak color

Blaßrosa

Diaphaneity (Transparency)

transparent

Lustre

Glasglanz

max. Birefringence

0.033
Birefringence chart\! Mangani-dellaventuraite title=Birefringence chart Mangani-dellaventuraite

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

1.688

RI value β

1.692

RI value γ / ε

1.721

Ri mean

1.700

2V angle

Biaxial (+)49°

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.808

Cell parameters b (Å)

17.840

Cell parameters c (Å)

5.285

Cell parameters a/b or c/a

0.550

Cell parameters c/b

0.296

Cell parameters α

90°

Cell parameters β

104.65

Cell parameters γ

90°

Z

2

Volumne (ų)

894.677

X-Ray Powder Diffraction

45(6), 3.38(7), 3.13(8), 2.697(10), 2.542(9), 2.154(7), 1.434(7)
XRD chart Mangani-dellaventuraite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

5

VHN (Hardness Vickers)

390 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.315 (berechnet)

3.217 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen (110)

Fracture

muschelig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Indien/Madhya Pradesh/Jhabua, Distrikt/Kajlidongri Mine

Preface

Occurrences

Regionalmetamorphe Manganerzlager, welche mit pegmatitischen Quarz-Albitgängen durchsetzt sind.

Associations

Braunit, Jacobsit, Spessartin, Ägirin-Augit

Author (Name, Year)

Tait & Hawthorne & Grice & Ottolini & Nayak, 2005

Additional Information

Neues Mineral der Amphibolgruppe (Oxi-Amphibol), mit der Reihe Kornit-Obertiit verwandt. Im polarisierten Licht stark pleochroitisch. Benannt nach prof. Giancarlo Della Ventura, Univ. Rom.

References

Tait K T, Hawthorne F C, Grice J D, Ottolini L, Nayak V K (2005) Dellaventuraite, NaNa2(MgMn3+2Ti4+Li)Si8O22O2, a new anhydrous amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India, American Mineralogist 90, 304-309

Name geändert von Dellaventurait: Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup. American Mineralogist 97, 2031-2048

IMA group assignments

Other languages

French

Dellaventuraite

Spanish

Dellaventuraíta

German

Mangani-Dellaventurait

English

Mangani-dellaventuraite

Russian

Деллавентураит

old name

German

Dellaventurait

English

Dellaventuraite

CNMNC (IMA)-Number

IMA 2003-061

CNMNC symbol

Symbol

Mdv