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Brewsterite-Sr

Pictures (9 Images total)

Brewsterit -Sr xx
Views (File:
1372010077
): 1904
Brewsterit -Sr xx
Bellsgrove Mine Strontian Schottland - UK - . BB=16mm.
Copyright: pilzpirat; Contribution: pilzpirat
Collection: pilzpirat
Location: UK/Schottland/Highland/Strontian/Bellsgrove Mine
Mineral: Brewsterite series, Brewsterite-Sr
Image: 1372010077
Rating: 7 (votes: 1)
License: Usage for Mineralienatlas project only
Brewsterit -Sr xx

Bellsgrove Mine Strontian Schottland - UK - . BB=16mm.

Collection: pilzpirat
Copyright: pilzpirat
Contribution: pilzpirat 2013-06-23
Locality: Bellsgrove Mine / Strontian / Highland / Schottland / UK
Brewsterit-Sr
Views (File:
1259610943
): 1272
Brewsterit-Sr
Bildbreite: 10 mm; Fundort: Whitesmith Mine, Strontian, Halbinsel Morvern, North West Highlands (Argyllshire), Schottland, UK
Copyright: Peter Haas; Contribution: slugslayer
Location: UK/Schottland/Highland/Strontian/Whitesmith Mine
Mineral: Brewsterite-Sr
Image: 1259610943
Rating: 6.33 (votes: 3)
License: Usage for Mineralienatlas project only
Brewsterit-Sr

Bildbreite: 10 mm; Fundort: Whitesmith Mine, Strontian, Halbinsel Morvern, North West Highlands (Argyllshire), Schottland, UK

Copyright: Peter Haas
Contribution: slugslayer 2009-11-30
Locality: Whitesmith Mine / Strontian / Highland / Schottland / UK
Brewsterit-Sr
Views (File:
1312653126
): 1150
Brewsterit-Sr
Fundort: Whitesmith Mine bei Strontian, Schottland. Etwa 3,5x6,5x9 cm messende Stufe besetzt mit kleinen, klaren, glänzenden Brewsterit-Sr-Kristallen.
Copyright: Christiane David; Contribution: ZEO
Location: UK/Schottland/Highland/Strontian/Whitesmith Mine
Mineral: Brewsterite-Sr
Image: 1312653126
Rating: 6 (votes: 2)
License: Usage for Mineralienatlas project only
Brewsterit-Sr

Fundort: Whitesmith Mine bei Strontian, Schottland. Etwa 3,5x6,5x9 cm messende Stufe besetzt mit kleinen, klaren, glänzenden Brewsterit-Sr-Kristallen.

Copyright: Christiane David
Contribution: ZEO 2011-08-06
Locality: Whitesmith Mine / Strontian / Highland / Schottland / UK
Brewsterit-Sr
Views (File:
1259611889
): 1241
Brewsterit-Sr
Größe: 45x31 mm; Fundort: Whitesmith Mine, Strontian, Argyllshire, Schottland, UK
Copyright: John Sobolewski; Contribution: slugslayer
Location: UK/Schottland/Highland/Strontian/Whitesmith Mine
Mineral: Brewsterite-Sr
Image: 1259611889
Rating: 4.5 (votes: 2)
License: Usage for Mineralienatlas project only
Brewsterit-Sr

Größe: 45x31 mm; Fundort: Whitesmith Mine, Strontian, Argyllshire, Schottland, UK

Copyright: John Sobolewski
Contribution: slugslayer 2009-11-30
Locality: Whitesmith Mine / Strontian / Highland / Schottland / UK
Brewsterit
Views (File:
1267178883
): 1550
Brewsterit
Whitesmith Mine, Strontian, Argyllshire, Schottland; 4 x 3 cm
Copyright: John Sobolewski; Contribution: slugslayer
Location: UK/Schottland/Highland/Strontian/Whitesmith Mine
Mineral: Brewsterite-Sr
Image: 1267178883
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Brewsterit

Whitesmith Mine, Strontian, Argyllshire, Schottland; 4 x 3 cm

Copyright: John Sobolewski
Contribution: slugslayer 2010-02-26
Locality: Whitesmith Mine / Strontian / Highland / Schottland / UK
Brewsterit-Sr auf Stilpnomelan
Views (File:
1158089469
): 1268, Rating: 4.25
Brewsterit-Sr auf Stilpnomelan
Fundort: Bellsgrove Mine, Strontian, North West Highlands (Argyllshire), Schottland, UK; Größe der Frontalflächen ca 1,5 x 2,5 mm
Copyright: Torben; Contribution: Torben
Location: UK/Schottland/Highland/Strontian/Bellsgrove Mine
Mineral: Brewsterite-Sr
Image: 1158089469
Rating: 4.25 (votes: 4)
License: Usage for Mineralienatlas project only
Brewsterit-Sr auf Stilpnomelan

Fundort: Bellsgrove Mine, Strontian, North West Highlands (Argyllshire), Schottland, UK; Größe der Frontalflächen ca 1,5 x 2,5 mm

Copyright: Torben
Contribution: Torben 2006-09-12
Locality: Bellsgrove Mine / Strontian / Highland / Schottland / UK

Collectors Summary

Color weiß, gelblich weiß, grau
Streak color weiß
Hardness (Mohs) 4.25
Solubility +++ Säuren, + starke Detergentienlösungen
Crystal System monoklin, P21/m

Chemism

Chemical formula

(Sr,Ba,Ca)(Si6Al2)O16·5H2O

Chemical composition

Aluminium, Barium, Calcium, Silicium, Strontium, Sauerstoff, Wasserstoff

Unit weight: 666.3225064 u; Number of atoms in the formula: 40

Info

Empirical formula:

(Sr0.6Ba0.3Ca0.1)(Si6Al2)O16·5H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

1.51

10

25.00

1.0079470

10.0794700

Oxygen

O

50.42

21

52.50

15.9994300

335.9880300

Aluminium

Al

8.10

2

5.00

26.9815382

53.9630764

Silicon

Si

25.29

6

15.00

28.0855300

168.5131800

Calcium

Ca

0.60

0.1

0.25

40.0784000

4.0078400

Strontium

Sr

7.89

0.6

1.50

87.6210000

52.5726000

Barium

Ba

6.18

0.3

0.75

137.3277000

41.1983100

Analysis wt%

SiO2 : 54.42, Al2O3 : 15.25, CaO : 1.19, SrO : 8.99, BaO : 6.80, H2O : 13.22 (Ref: Nat.Zeol.85)

Strunz 9th edition incl. updates

9.GE.20

9: Silikate (Germanate)
G: Gerüstsilikate (Tektosilikate) mit zeolithischem H2O; Familie der Zeolithe
E: Tafeln mit 4-4-1-1 Struktureinheiten
20:

Lapis Classification

VIII/J.23-080

VIII: SILIKATE
J: Gerüstsilikate (mit Zeolithen)
23: Zeolith-Gruppe; Blätterzeolithe

Classification by Hölzel

9.FN.260

9: SILICATES
F: Tektosilicates
N: Heulandite-Group

Dana 8th edition

77.01.07.01

77: Tektosilicates Tectosilicate Zeolite group
01: Tektosilicates Tectosilicate Zeolite group true zeolites
07: Brewsterite and related species

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

Zeolite group  ⇒ BRE zeolite structure group  ⇒ Brewsterite series

Optical Properties

Color

weiß, gelblich weiß, grau

Streak color

weiß

Diaphaneity (Transparency)

transparent bis durchscheinend

max. Birefringence

0.015

Birefringence chart\! Brewsterite-Sr title=Birefringence chart Brewsterite-Sr

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

1.508

RI value β

1.511

RI value γ / ε

1.523

Ri mean

1.514

2V angle

Biaxial (+) 55°~

Optical Data Luminescence

Luminescence

fluoreszierend

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

11

Space Group

P21/m

Cell parameters a (Å)

6.779

Cell parameters b (Å)

17.520

Cell parameters c (Å)

7.749

Cell parameters a/b or c/a

0.387

Cell parameters c/b

0.442

Cell parameters α

90°

Cell parameters β

94.47

Cell parameters γ

90°

Z

2

Volumne (ų)

917.534

X-Ray Powder Diffraction

8.78(30),
4.66(70),
3.269(40),
3.111(20),
2.920(100),
2.732(20),
2.724(20),
2.189(40)

XRD chart Brewsterite-Sr

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)

4.25

VHN (Hardness Vickers)

230 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

2.45

2.412 ( ρ calc. Mineralienatlas )

Instability

+++ Säuren, + starke Detergentienlösungen

(Co-)Type locality

(Co-)Type locality

UK/Schottland/Highland/Strontian

IMA group assignments

Other languages

German

Brewsterit-Sr

Spanish

Brewsterita-Sr

French

Brewsterite-Sr

English

Brewsterite-Sr

Russian

Брюстерит-Sr

Traditional Chinese

鍶沸石

Simplified Chinese

锶沸石

Alternative Name

Brewsterit-(Sr)

Brewsterite-(Sr)

CNMNC symbol

Symbol

Brw-Sr

Locations with GPS information