Mineralienatlas Lexikon - Manganipiemontit-(Sr)

Manganipiemontite-(Sr) (Manganipiemontit-(Sr))

Introduction

Additional Functions

Chemism

Chemical formula	CaSr(Mn³⁺,Fe³⁺)₂Al[O\|OH\|SiO₄\|Si₂O₇]
Additional chem. information
Chemical composition	Aluminium, Calcium, Eisen, Mangan, Silicium, Strontium, Sauerstoff, Wasserstoff
Strunz 8th edition	VIII/C.23-045
Klasse/Gruppierung (Strunz 8)	VIII: Silikate C: Gruppensilikate (Sorosilikate) 23: Epidot Gruppe
Strunz 9th edition incl. updates
Hey's Chemical Index of Minerals
Dana 7th edition
Dana 8th edition
IMA status
Mineral status
Variety / polytype of

Optical Properties

Colour	tief rot
Streak color	braunrot
Diaphaneity (Transparency)
Lustre	Glasglanz
Pleochroism
Refraction index
Luminescence
Optical data

Crystallography

Crystal System
Class (H-M)
Space Group number
Space Group
Cell Parameters (Å)
Z
Kristall structure
X-Ray Powder Diffraction
Morphology

Physical Properties

Hardness (Mohs)
VHN (Hardness Vickers)
Cleavages
Fracture
Density (g/cm³)
Tenacity
Radioactivity
Melting point °C
Melting point K
Chem. Eigenschaften u. Tests

(Co-)Type locality

(Co-)Type locality	Südafrika /Nordkap (Northern Cape), Provinz /Kalahari Manganese Field /Hotazel /Wessel's Mine (Wessels Mine)
Type material
Collection number of type material
Paragenesis of type material

Preface

Occurrences
Generation conditions
Paragenesis
Rareness
Name from	Der Name wurde anfänglich nach "Samuel Milbourn Tweddill", dem ersten Kurator des "Pretoria Geological Museum" von 1897 bis 1916 vergeben. Jetzt wegen seiner chemischen Ähnlichkeit zu Piemontit nach der Zusammensetzung benannt.
Reference List
Corresponding author (Name, Year)
Relevance, Usage
Collector information
Additional Information
Manipulation/Imitation

Clinozoisite	Ca₂Al₃(SiO₄)₃(OH)	monoklin	P2₁/m	2/m	VIII/C.23-010
Epidote	Ca₂(Fe³⁺,Al)₃(SiO₄)₃(OH)	monoklin	P2₁/m	2/m	VIII/C.23-020
Piemontite	Ca₂(Al,Mn,Fe)₃(SiO₄)₃(OH)	monoklin	P2₁/m	2/m	VIII/C.23-030
Piemontite-(Sr)	(Ca,Mn²⁺)(Sr,Ca)Mn³⁺(Al,Fe³⁺)₂(SiO₄)(Si₂O₇)O(OH)				VIII/C.23-040
Clinozoisite-(Sr)	CaSrAl₃(Si₂O₇)(SiO₄)O(OH)				VIII/C.23-043
'Manganipiemontite-(Sr)'	CaSr(Mn³⁺,Fe³⁺)₂Al[O\|OH\|SiO₄\|Si₂O₇]				VIII/C.23-045
Mukhinite	Ca₂Al₂V³⁺(SiO₄)₃(OH)	monoklin			VIII/C.23-050
Manganiandrosite-(La)	(Mn²⁺,Ca)(La,Ce,Nd)Mn²⁺(Al,Mn³⁺)₂[O\|OH\|SiO₄\|Si₂O₇]	monoklin			VIII/C.23-052
Vanadoandrosite-(Ce)	(Mn²⁺,Ca)(REE)V³⁺AlMn²⁺(Si₂O₇)(SiO₄)O(OH)	monoklin	P2₁/m	2/m	VIII/C.23-054
Dollaseite-(Ce)	CaCeMg₂₄AlSi₃O₁₁(OH,F)₂	monoklin	P2₁/m	2/m	VIII/C.23-055
Khristovite-(Ce)	(Ca,Ce)(Ce,La,Nd,Dy)Mn₂²⁺Al[(OH,F,O)₂\|SiO₄\|Si₂O₇]	monoklin	P2₁/m	2/m	VIII/C.23-057
Dissakisite-(Ce)	Ca(Ce,La)(Mg,Fe²⁺)(Al,Fe³⁺)₂Si₃O₁₂(OH)	monoklin	P2₁/m	2/m	VIII/C.23-058
Dissakisite-(La)	(Ca,Fe,Th)(REE,Ca)(Al,Cr,Ti)₂(Mg,Fe,Al)Si₃O₁₂(OH,F) mit La > Ce	monoklin	P2/m	2/m	VIII/C.23-059
Allanite-(Y)	(Y,Ce,Ca)₂(Al,Fe³⁺)₃(SiO₄)₃(OH)	monoklin			VIII/C.23-060
Allanite-(La)	Ca(La,Ce)(Fe²⁺,Mn²⁺)(Al,Fe³⁺)₂(SiO₄)(Si₂O₇)O(OH)	monoklin	P2₁/m	2/m	VIII/C.23-065
'Manganiandrosite-(Ce)'	{CeMn²⁺}{Mn³⁺Mn²⁺Al}[O\|OH\|SiO₄\|Si₂O₇]	monoklin	P2₁/m	2/m	VIII/C.23-072
'Uedaite-(Ce)'	Mn²⁺CeAl₂Fe²⁺(Si₂O₇)(SiO₄)O(OH)				VIII/C.23-075
Allanite-(Ce)	(Ce,Ca,Y)₂(Al,Fe³⁺)₃(SiO₄)₃(OH)	monoklin	P2₁/m	2/m	VIII/C.23-080
Ferriallanite-(Ce)	Ca(Ce,La,Nd,Ca)Fe²⁺(Fe³⁺,Al,Ti⁴⁺)₂[O\|OH\|SiO₄\|Si₂O₇]	monoklin	P2₁/m	2/m	VIII/C.23-085
'Västmanlandite-(Ce)'	Ca(Ce,La,Nd)(Mg,Fe³⁺,Fe²⁺)₂Al₂[(F,O)\|(OH)₂\|(SiO₄)₃\|Si₂O₇]				VIII/C.23-086
Gatelite-(Ce)	(Ca,REE)₄(Al,Mg,Fe)₄(Si₂O₇)(SiO₄)₃(O,F,OH)₃	monoklin	P2₁/a	2/m	VIII/C.23-087
Epidote-(Pb)	(Pb,Ca,Sr)₂(Al,Fe³⁺)₃(SiO₄)₃(OH)				VIII/C.23-090
Zoisite	Ca₂Al₃(SiO₄)₃(OH)	orthorhombisch	Pnma	mmm	VIII/C.23-100

Other languages

Russian	Манганипьемонтит-(Sr)
German	Manganipiemontit-(Sr)
English	Manganipiemontite-(Sr)
Spanish	Tweddillita
French	Tweddillite

Alternative Name

Russian	Тведдилит
	Tweddillit
	Tweddillita
	Tweddillite
English	Tweddillite
	Twedillit
	Twedillita
	Twedillite

IMA Number

IMA2001-014

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

Deutsche Seiten	MinMax - suche nach: Manganipiemontit-(Sr) DeWikiPedia - suche nach: Manganipiemontit-(Sr) Mineralogisch-Petrographisches-Institut Hamburg - suche nach: Manganipiemontit-(Sr) Google-Bilder-Suche - suche nach: Manganipiemontit-(Sr)
Englische Seiten	Mindat - search for: Manganipiemontit-(Sr) Webmineral - search for: Manganipiemontit-(Sr) Handbook-of-Mineralogy - search for: Manganipiemontit-(Sr) Database-of-Raman-spectroscopy - search for: Manganipiemontit-(Sr) American-Mineralogist-Crystal-Structure-Database - search for: Manganipiemontit-(Sr) Athena - search for: Manganipiemontit-(Sr)

Mineral Dealer

Deutsche Seiten

Mineralium.com - suche nach: Manganipiemontit-(Sr)

Kristalldruse.de - suche nach: Manganipiemontit-(Sr)

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Internationale Seiten

FabreMinerals.com - search for: Manganipiemontite-(Sr)

SpiriferMinerals.com - search for: Manganipiemontite-(Sr)

Localities (1)

Südafrika

Nordkap (Northern Cape), Provinz

Kalahari Manganese Field

Hotazel

Wessel's Mine (Wessels Mine)