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Potassic-hastingsite (Potassichastingsite)

Collectors Summary

Crystal System monoklin, C2/m

Additional information / Summary

isostrukturell mit Chloro-Kaliumhastingsit, Fluoro-Kaliumhastingsit

Chemism

Chem­ical formula

KCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2

Empir­ical formula (anal­y­sis)

A(K0.61Na0.20Ca0.07)0.88BCa2.00C(Fe2+3.72Fe3+0.94Al0.12Mn0.06Mg0.06Ti0.04Ni0.01)4.96T(Si5.97Al2.03)O22(OH1.14Cl0.86)

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Silicium, Kalium, Sauerstoff, Wasserstoff

Unit weight: 2072.5624420641 u; Number of atoms in the formula: 60.3264

Info

Empirical formula:

(K0.61Na0.20Ca0.07)0.88Ca2.00(Fe3.72Fe0.94Al0.12Mn0.06Mg0.06Ti0.04Ni0.01)4.96(Si5.97Al2.03)O22(OH1.14Cl0.86)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.06

1.14

1.89

1.0079470

1.1490596

Oxygen

O

17.76

23

38.13

15.9994300

367.9868900

Sodium

Na

0.20

0.18

0.29

22.9897702

4.0461996

Magnesium

Mg

0.35

0.3

0.49

24.3050600

7.2331859

Aluminium

Al

3.42

2.63

4.35

26.9815382

70.8319341

Silicon

Si

8.09

5.97

9.90

28.0855300

167.6706141

Chlorine

Cl

1.47

0.86

1.43

35.4532000

30.4897520

Potassium

K

1.01

0.54

0.89

39.0983100

20.9879728

Calcium

Ca

3.99

2.06

3.42

40.0784000

82.6256294

Titanium

Ti

0.46

0.2

0.33

47.8671000

9.4968326

Manganese

Mn

0.79

0.3

0.49

54.9380499

16.3495637

Iron

Fe

62.28

23.11

38.31

55.8452000

1,290.7836147

Nickel

Ni

0.14

0.05

0.08

58.6934200

2.9111936

Strunz 9th edi­tion incl. updates

9.DE.15

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

Lapis Clas­sifica­tion

VIII/F.10-142

VIII: SILIKATE
F: Ketten- und Bandsilikate
10: Zweierbänder [Si4O11] 6-; Amphibol-Gruppe; Ca2-Amphibole

IMA sta­tus

anerkanntes Mineral April 2019 - CNMNC Newsletter 49

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Calcium amphiboles  ⇒ Hastingsite (Hs) amphiboles

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.9405(7)

Cell param­e­ters b (Å)

18.256(2)

Cell param­e­ters c (Å)

5.3501(3)

Cell param­e­ters a/b or c/a

0.545

Cell param­e­ters c/b

0.293

Cell param­e­ters α

90°

Cell param­e­ters β

105.117(5)°

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

937.305

Kristall struc­ture

Struktur ermittelt; Amphibol-Supergruppe

X-Ray Pow­der Diffrac­tion

8.504(100), 3.417(36), 3.155(63), 2.735(71), 2.623(35), 2.570(34), 2.365(29), 2.179(30)

XRD chart Potassic-hastingsite

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

Physical Properties

Density (g/cm³)

3.541 ber.

7.343 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

China/Innere Mongolei (Neimenggu)/Ulanhad Bund (Chifeng, Präf)/Chifeng, Stadt/Hexigten-Banner (Keshiketeng)/Danailingou As-Co-Lagerstätte

Type material

Das Typenmaterial ist in den mineralogischen Sammlungen des Geologischen Museums Chinas, Peking, China, Katalognummer M13815 hinterlegt.

References

Mazdab, F.K. (2003): The diversity and occurrence of potassium-dominant amphiboles. Canadian Mineralogist, 41, 1329-1344

Zácek, V. (2007): Potassian hastingsite and potassichastingsite from garnet-hedenbergite skarn at Vlastejovice, Czech Republic. Neues Jahrbuch für Mineralogie - Abhandlungen, 184, 161-168.

Ren, G., Li, G., Shi, J., Gu, X., Fan, G.,Yu, A., Liu, Q. and Shen, G. (2019) Potassic-hastingsite, IMA 2018-160. CNMNC Newsletter No. 49, June 2019, page xxx; Mineralogical Magazine, 83, 323–328.

Guangming Ren, Guowu Li, Jiaxin Shi, Xiangping Gu, Guang Fan, Apeng Yu, Qiuxiao Liu, Ganfu Shen: Potassic-hastingsite, KCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2, from the Keshiketeng Banner, Inner Mongolia, China: description of the neotype and its implication. Mineralogy and Petrology Vol. 114, Nr. 5 (2020) S. 403 - 412.

IMA group assignments

Other languages

German

Kalium-Hastingsit

English

Potassic-hastingsite

Simplified Chinese

钾绿钙闪石

Alternative Name

German

Kaliumhastingsit

Lapis

English

Potassichastingsite

CNMNC (IMA)-Number

IMA 2018-160

CNMNC symbol

Symbol

Phst

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

German pages

DeWikiPedia - search for: Kalium-Hastingsit
Google-Bilder-Suche - search for: Kalium-Hastingsit
Mineralienatlas.de (Forum) - search for: Kalium-Hastingsit

English pages

Mindat - search for: Potassic-hastingsite
Webmineral - search for:Potassic-hastingsite
Handbook-of-Mineralogy - search for: Potassic-hastingsite
RRUFF - Raman, XRD and other mineral data - search for: Potassic-hastingsite
RRUFF - References and PDF downloads - search for: Potassic-hastingsite
American-Mineralogist-Crystal-Structure-Database - search for: Potassic-hastingsite
Strahlen.org - search for: Potassic-hastingsite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Kalium-Hastingsit
Crystal-Treasure.com - search for: Kalium-Hastingsit
Bosse - search for: Kalium-Hastingsit
Edelsteine Neuburg - Gundolf Fischer - search for: Kalium-Hastingsit
Geolitho marketplace, by and for collectors - search for: Kalium-Hastingsit

Locations with GPS information