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Spadaite

Pictures (2 Images total)

Spadait aus Palos Verdes, Kalifornien
Views (File:
1610385870
): 158
Spadait aus Palos Verdes, Kalifornien
Mineralstatus fragwürdig. Belegstück; Breite des Objektes ca. 2 mm.
Copyright: prospector56; Contribution: prospector56
Collection: prospector56, Collection number: J4K11
Location: USA/Kalifornien (California)/Los Angeles Co./Palos Verdes, Halbinsel
Mineral: Spadaite
Image: 1610385870
License: Usage for Mineralienatlas project only
Spadait aus Palos Verdes, Kalifornien (SNr: J4K11)

Mineralstatus fragwürdig. Belegstück; Breite des Objektes ca. 2 mm.
Collection: prospector56
Copyright: prospector56
Contribution: prospector56 2021-01-11
Locality: Palos Verdes, Halbinsel / Los Angeles Co. / Kalifornien (California) / USA
Spadait
Views (File:
1702037571
): 30
Spadait
Faserige Spadait-Aggregate ohne Maßstab, FO: Palos Verdes Hills, Los Angeles County, Kalifornien, USA.
Copyright: Wikipedia-user: David Hospital; Contribution: oliverOliver
Location: USA/Kalifornien (California)/Los Angeles Co./Palos Verdes, Halbinsel/Palos Verdes Cliffs
Mineral: Spadaite
Image: 1702037571
License: Creative Commons - Attribution-ShareAlike 4.0 International  (CC BY-SA) V.4.0
Spadait

Faserige Spadait-Aggregate ohne Maßstab, FO: Palos Verdes Hills, Los Angeles County, Kalifornien, USA.
Copyright: Wikipedia-user: David Hospital
Contribution: oliverOliver 2023-12-08
Locality: Palos Verdes Cliffs / Palos Verdes, Halbinsel / Los Angeles Co. / Kalifornien (California) / USA

Collectors Summary

Color cremeweiß
Streak color weiß
Hardness (Mohs) 2.5
Cleavages vollkommen

Chemism

Chemical formula

MgSiO2(OH)2·H2O

Chemical composition

Magnesium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 136.419528 u; Number of atoms in the formula: 11

Info

Empirical formula:

MgSiO2(OH)2·H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

2.96

4

36.36

1.0079470

4.0317880
Oxygen

O

58.64

5

45.45

15.9994300

79.9971500
Magnesium

Mg

17.82

1

9.09

24.3050600

24.3050600
Silicon

Si

20.59

1

9.09

28.0855300

28.0855300

Strunz 9th edition incl. updates

9.EC.45

9: Silikate (Germanate)
E: Schichtsilikate (Phyllosilikate)
C: Schichtsilikate (Phyllosilikate) mit Glimmer Tafeln, zusammengesetzt aus tetrahedralen oder octahedralen Netzen
45:Saponit-Gruppe

Lapis Classification

VIII/H.20-030

VIII: SILIKATE
H: Schichtsilikate
20: Tonminerale, regulär geschichtet; Glimmerartige Schicht-silikate mit Baugruppen [Si4O10] 4- und verwandte Strukturen; Montmorillonit-Gruppe

IMA status

Status fragwürdig

Optical Properties

Color

cremeweiß

Streak color

weiß

Physical Properties

Hardness (Mohs)

2.5

Cleavages

vollkommen

(Co-)Type locality

(Co-)Type locality

Italien/Latium (Lazio), Region/Rom, Provinz/Capo di Bove

Preface

Author (Name, Year)

von Kobell, 1863

References

Hey's Mineral Index (A. M. Clark) 3rd ed (1993), 652

Other languages

German

Spadait

French

Spadaite

English

Spadaite

Spanish

Spadaíta

CNMNC symbol

Symbol

Spa

IDs

GUSID (Global unique identifier short form) eQ6ymEVsEEuR4tJmskv-Tw
GUID (Global unique identifier) 98B20E79-6C45-4B10-91E2-D266B24BFE4F
Database ID 3580