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

Lorettoite (Lorettoit)

Collectors Summary

Color honiggelb, gelblich, rötlichgelb
Streak color gelb
Lustre Diamantglanz
Hardness (Mohs) 2.5 - 3
Crystal System orthorhombisch, Fmmm

Chemism

Chemical formula

Pb7O6Cl2

Chemical composition

Blei, Chlor, Sauerstoff

Unit weight: 1617.37298 u; Number of atoms in the formula: 15

Info

Empirical formula:

Pb7O6Cl2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Oxygen

O

5.94

6

40.00

15.9994300

95.9965800
Chlorine

Cl

4.38

2

13.33

35.4532000

70.9064000
Lead

Pb

89.68

7

46.67

207.2100000

1,450.4700000

Strunz 9th edition incl. updates

3.DC.30

3: Halide (Fluoride, Chloride, Bromide, Iodide)
D: Oxihalide, Hydroxyhalide und verwandte Doppel-Halide
C: Mit [Pb] ([As], [Sb], [Bi]) ohne [Cu]
30:Nadorit-Gruppe

Dana 8th edition

10.05.12.01

10: Oxyhalides and Hydroxyhalides
05: Oxyhalides and Hydroxyhalides where Am (O,OH)p Xq

IMA status

Diskreditiert von der CNMNC, natürliches Vorkommen fragwürdig, nachträglich in marinen Schlacken von Lavrion berichtet

Mineral status

Mineralstatus fragwürdig

Optical Properties

Color

honiggelb, gelblich, rötlichgelb

Streak color

gelb

Lustre

Diamantglanz

Crystallography

Crystal System

orthorhombisch

Class (H-M)

mmm

Space Group number

69

Space Group

Fmmm

Cell parameters a (Å)

5.49

Cell parameters b (Å)

5.50

Cell parameters c (Å)

22.9

Cell parameters a/b or c/a

0.998

Cell parameters c/b

4.164

Cell parameters α

90°

Cell parameters β

90°

Cell parameters γ

90°

Z

2

Volume (ų)

691.466

X-Ray Powder Diffraction

3.86(60),
3.49(60),
2.98(100),
2.77(80),
2.31(60),
2.25(60),
1.993(70),
1.642(70)
XRD chart Lorettoite

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

Physical Properties

Hardness (Mohs)

2.5 - 3

Density (g/cm³)

7.39 - 7.95

7.768 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Wells & Larsen, 1916

References

American Mineralogist (1979): 64: 1303.

Schnorrer-Köhler: Lapis 1986 (6): 25.

Strunz Mineralogical Tables 9. Edition (20101), 177.

Other languages

German

Lorettoit

English

Lorettoite

Alternative Name

Spanish

Chubutita

German

Chubuttit

Spanish

Chubuttita

Spanish

Lorettoita

Locations with GPS information

IDs

GUSID (Global unique identifier short form) rvgc-fDkI0OyoLVhwMLLmA
GUID (Global unique identifier) F91CF8AE-E4F0-4323-B2A0-B561C0C2CB98
Database ID 4523