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Buddingtonite

Pictures (1 Images total)

Buddingtonit
Views (File:
1197011961
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Buddingtonit
Sharon Heights, Menlo Park, San Mateo Co., Kalifornien, USA; Größe: 2,5 x 4 cm
Copyright: Dan Weinrich; Contribution: Collector
Location: USA/Kalifornien (California)/San Mateo Co./Menlo Park/Sharon Heights
Mineral: Buddingtonite
Image: 1197011961
Rating: 2 (votes: 1)
License: Usage for Mineralienatlas project only
Buddingtonit

Sharon Heights, Menlo Park, San Mateo Co., Kalifornien, USA; Größe: 2,5 x 4 cm

Copyright: Dan Weinrich
Contribution: Collector 2007-12-07
Locality: Sharon Heights / Menlo Park / San Mateo Co. / Kalifornien (California) / USA

Collectors Summary

Color farblos, weiß
Streak color weiß
Hardness (Mohs) 5.5
Solubility +++ heiße NaOH
Crystal System monoklin, P21, P21/m

Additional information / Summary

Siehe auch unser umfangreiches Feldspat-Portrait

Chemism

Chem­ical formula

(NH4)AlSi3O8·0.5 H2O

Chem­ical com­po­si­tion

Aluminium, Silicium, Sauerstoff, Stickstoff, Wasserstoff

Unit weight: 266.2797382 u; Number of atoms in the formula: 18.5

Info

Empirical formula:

(NH4)AlSi3O8·0.5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.89

5

27.03

1.0079470

5.0397350

Nitrogen

N

5.26

1

5.41

14.0067200

14.0067200

Oxygen

O

51.07

8.5

45.95

15.9994300

135.9951550

Aluminium

Al

10.13

1

5.41

26.9815382

26.9815382

Silicon

Si

31.64

3

16.22

28.0855300

84.2565900

Strunz 9th edi­tion incl. updates

9.FA.30

9: Silikate (Germanate)
F: Gerüstsilikate (Tektosilikate) ohne zeolithisches H2O
A: Gerüstsilikate (Tektosilicates) ohne weitere [Anionen]
30:Feldspat: Alkali

Lapis Clas­sifica­tion

VIII/J.06-010

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
6: Ohne tetraederfremde Anionen; Feldspat-Gruppe

Clas­sifica­tion by Hölzel

9.FC.140

9: SILICATES
F: Tektosilicates
C: Feldspar-Group

Dana 8th edi­tion

76.01.02.01

76: Tektosilicates Tectosilicate Al-Si Framework
01: Tektosilicates Tectosilicate Al-Si Framework with Al-Si frameworks

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Feldspar group  ⇒ Alkali feldspar

Optical Properties

Color

farblos, weiß

Streak color

weiß

Diaphane­ity (Trans­parency)

transparent bis durchscheinend

max. Birefrin­gence

0.004

Birefringence chart\! Buddingtonite title=Birefringence chart Buddingtonite

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

1.530

RI value β

1.531

RI value γ / ε

1.534

Ri mean

1.532

2V angle

Biaxial (+) 60°

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2, 2/m

Space Group number

4, 11

Space Group

P21, P21/m

Cell param­e­ters a (Å)

8.571

Cell param­e­ters b (Å)

13.032

Cell param­e­ters c (Å)

7.187

Cell param­e­ters a/b or c/a

0.658

Cell param­e­ters c/b

0.551

Cell param­e­ters α

90°

Cell param­e­ters β

112.73

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

740.422

X-Ray Pow­der Diffrac­tion

6.52(100),
5.91(30),
4.33(60),
3.98(30),
3.81(100),
3.381(70),
3.314(30),
3.258(60)

XRD chart Buddingtonite

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)

5.5

VHN (Hard­ness Vick­ers)

530 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.32

2.389 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ heiße NaOH

Preface

Rare­ness

Selten

Author (Name, Year)

Erd & White & Fahey & Lee, 1964

Addi­tional Informa­tion

Feldspat-Gruppe (Buddingtonit-Orthoklas-Slawsonit-Serie)

References

American Mineralogist 49 (1964), 831

IMA group assignments

Other languages

German

Buddingtonit

Spanish

Buddingtonita

English

Buddingtonite

French

Buddingtonite

Russian

Баддингтонит

CNMNC (IMA)-Number

IMA 1963-001

CNMNC symbol

Symbol

Bud

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

German pages

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

English pages

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

Russian pages

Webmineral.ru - search for: Баддингтонит

Mineral Dealer

German pages

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

Locations with GPS information