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UM1996-38-SiO:AlCaHNa

Valid as an unnamed mineral

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Formula:

Na-Ca-Al-Si-O-H

The mean analysis (England, 1996) recast (Ł.K.) leads to (Na,Ca)_~1(Si_2.5Al_1.5)_Σ4O₈·~9H₂O (5 cations basis) or (Na,Ca)₂(Si_5.5Al_3.5)_Σ9O₁₈·19H₂O (11 cations basis) or (Na,Ca)₃(Si₈Al₅)_Σ13O_~26·28H₂O (16 cations basis).

Member of:

Zeolite Group

Found as "flexible, ribbon-like filaments up to 10 microns wide"; often over 1 cm long, "randomly draped over thomsonite and chabazite"; in vesicles of a Tertiary basalt.

Electron microprobe data (EDS, wt.%, 5 analyses):

SiO₂ 44.0-53.1
Al₂O₃ 23.0-28.1
CaO 8.3-8.9
Na₂O 4.4-7.7

total 80.0-97.3

Si:(Si+Al) = 0.62 (constant)

Si/Al = 1.61-1.63

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Unique IdentifiersHide

Mindat ID:

54072

Long-form identifier:

mindat:1:1:54072:6

GUID
(UUID V4):

40abb46f-0892-4ce5-a73d-c09bbb06e795

IMA Classification of UM1996-38-SiO:AlCaHNaHide

IMA status notes:

Unnamed (probably valid)

Chemistry of UM1996-38-SiO:AlCaHNaHide

Mindat Formula:

Na-Ca-Al-Si-O-H

The mean analysis (England, 1996) recast (Ł.K.) leads to (Na,Ca)_~1(Si_2.5Al_1.5)_Σ4O₈·~9H₂O (5 cations basis) or (Na,Ca)₂(Si_5.5Al_3.5)_Σ9O₁₈·19H₂O (11 cations basis) or (Na,Ca)₃(Si₈Al₅)_Σ13O_~26·28H₂O (16 cations basis).

Elements listed:

Al, Ca, H, Na, O, Si - search for minerals with similar chemistry

Relationship of UM1996-38-SiO:AlCaHNa to other SpeciesHide

Member of:

Zeolite Group

Other Members of this group:

Alflarsenite	NaCa₂Be₃Si₄O₁₃(OH) · 2H₂O	Mon. 2 : P2₁
Amicite	K₂Na₂Al₄Si₄O₁₆ · 5H₂O	Mon. 2
Ammonioleucite	(NH₄)(AlSi₂O₆)	Tet. 4/m : I4₁/a
Analcime	Na(AlSi₂O₆) · H₂O	Tric. 1 : P1
Bellbergite	(K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄[Al₃Si₃O₁₂]₆ · 30H₂O	Hex.
Bikitaite	LiAlSi₂O₆ · H₂O	Tric. 1 : P1
Boggsite	Ca₈Na₃(Si,Al)₉₆O₁₉₂ · 70H₂O	Orth. mmm (2/m 2/m 2/m) : Imma
Brewsterite Subgroup	Zeolite Group.
Chabazite-Levyne Subgroup	M[Al₂Si₄O₁₂] · 6H₂O
Chiavennite	CaMnBe₂Si₅O₁₃(OH)₂ · 2H₂O	Mon. 2/m : P2₁/b
Clinoptilolite Subgroup	M_3-6(Si₃₀Al₆)O₇₂ · 20H₂O
Cowlesite	CaAl₂Si₃O₁₀ · 6H₂O	Orth. mmm (2/m 2/m 2/m)
Dachiardite Subgroup	Zeolite Group.
Direnzoite	NaK₆MgCa₂(Al₁₃Si₄₇O₁₂₀) · 36H₂O	Orth. mmm (2/m 2/m 2/m) : Pmmn
Edingtonite	Ba[Al₂Si₃O₁₀] · 4H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
Epistilbite	CaAl₂Si₆O₁₆ · 5H₂O	Mon.
Erionite Subgroup	M₂[Al₄Si₁₄O₃₆] · 15H₂O
Faujasite Subgroup	M_3.5[Al₇Si₁₇O₄₈] · 32H₂O
Ferrierite Subgroup	Zeolite Group.
Ferrochiavennite	Ca_1-2Fe[(Si,Al,Be)₅Be₂O₁₃(OH)₂] · 2H₂O	Mon. 2/m : P2₁/b
Flörkeite	(K₃Ca₂Na)[Al₈Si₈O₃₂] · 12H₂O	Tric. 1 : P1
Garronite Subgroup
Gaultite	Na₄Zn₂Si₇O₁₈ · 5H₂O	Orth. mm2 : Fdd2
Gismondine Subgroup	Zeolite Group.
Gmelinite Subgroup	In 1997, gmelinite was split into Gmelinite-Ca, Gmelinite-Na and Gmelinite-K.
Gobbinsite	Na₅(Si₁₁Al₅)O₃₂ · 11H₂O	Orth. mmm (2/m 2/m 2/m) : Pnma
Goosecreekite	Ca[Al₂Si₆O₁₆] · 5H₂O	Mon. 2 : P2₁
Gottardiite	Na₃Mg₃Ca₅Al₁₉Si₁₁₇O₂₇₂ · 93H₂O	Orth. mmm (2/m 2/m 2/m) : Cmca
Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Hsianghualite	Ca₃Li₂(Be₃Si₃O₁₂)F₂	Iso. 4 3 2 : I4₁ 3 2
Kirchhoffite	Cs(BSi₂O₆)	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/acd
Laumontite	CaAl₂Si₄O₁₂ · 4H₂O	Mon. 2/m : B2/m
Loomisite	Ba[Be₂P₂O₈] · H₂O	Mon. m
Lovdarite	K₂Na₆Be₄Si₁₄O₃₆ · 9H₂O	Orth. mm2
Maricopaite	Pb₇Ca₂(Si,Al)₄₈O₁₀₀ · 32H₂O	Orth.
Martinandresite	Ba₂(Al₄Si₁₂O₃₂) · 10H₂O	Orth. mmm (2/m 2/m 2/m) : Pmmn
Mazzite Subgroup	Zeolite Group.
Merlinoite	(K,Na)₅(Ca,Ba)₂Al₉Si₂₃O₆₄ · 23H₂O	Orth. mmm (2/m 2/m 2/m) : Immm
Montesommaite	(K,Na)₉Al₉Si₂₃O₆₄ · 10H₂O	Orth. mm2 : Fdd2
Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O	Orth.
Mutinaite	Na₃Ca₄Si₈₅Al₁₁O₁₉₂ · 60H₂O	Orth. mmm (2/m 2/m 2/m) : Pnma
Nabesite	Na₂BeSi₄O₁₀ · 4H₂O	Orth. 2 2 2 : P2₁ 2₁ 2₁
Natrolite Subgroup	A subgroup of the Zeolite Group.
Offretite	KCaMg(Si₁₃Al₅)O₃₆ · 15H₂O	Hex. 6 m2 : P6m2
Pahasapaite	Li₈(Ca,Li,K)_10.5Be₂₄(PO₄)₂₄ · 38H₂O	Iso. 2 3 : I2 3
Parthéite	Ca₂(Si₄Al₄) O₁₅ (OH)₂ · 4H₂O	Mon. 2/m : B2/b
Paulingite Subgroup	Paulingite was originally described in 1960.
Perlialite	K₉Na(Ca,Sr)[Al₂Si₄O₁₂]₆ · 15H₂O	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
Phillipsite Subgroup	Zeolite Group.
Pollucite	(Cs,Na)₂(Al₂Si₄O₁₂) · 2H₂O	Iso. m3m (4/m 3 2/m) : Ia3d
Roggianite	Ca₂Be(OH)₂Al₂Si₄O₁₃ · 2.5H₂O	Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Terranovaite	(Na,Ca)₈(Si₆₈Al₁₂)O₁₆₀ · 29H₂O	Orth.
Thomsonite Subgroup	The large majority of "thomsonite" is thomsonite-Ca.
Tschernichite	(Ca,Na₂)[Al₂Si₄O₁₂] · 4-8H₂O	Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
Tschörtnerite	Ca₄(Ca,Sr,K,Ba)₃Cu₃[Al₃Si₃O₁₂]₄(OH)₈ · nH₂O	Iso. m3m (4/m 3 2/m) : Fm3m
UM1999-33-SiO:AlHKNa	K₇Na₅Al₁₂Si₂₀O₆₄ · 24H₂O
UM2002-40-SiO:AlCaHKMgNa	(Mg,Ca,Na,K)_7.5(Al_12.8Si_51.2)O₁₂₈ · 65H₂O	Tet. 4 2 2 : P4₁ 2 2
Unnamed (Ca analogue of Merlinoite)	(Ca,K,Na)₅(Ca,Ba)₂Al₉Si₂₃O₆₄ · 23H₂O ?
Wairakite	Ca(Al₂Si₄O₁₂) · 2H₂O	Mon. 2/m : B2/m
Weinebeneite	CaBe₃(PO₄)₂(OH)₂ · 4H₂O	Mon. m : Bb
Wenkite	(Ba,K)₄(Ca,Na)₆[(Si,Al)₂₀O₃₉(OH)₂](SO₄)₃ · 0.5H₂O	Hex. 6 m2 : P6₂m
Willhendersonite	KCa[Al₃Si₃O₁₂] · 5H₂O	Tric. 1 : P1
Yugawaralite	CaAl₂Si₆O₁₆ · 4H₂O	Mon. m : Pb

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for UM1996-38-SiO:AlCaHNaHide

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References for UM1996-38-SiO:AlCaHNaHide

Reference List:

England, B.M. (1996) Zeolites and associated minerals from Borambil, New South Wales, Australia. Australian Journal of Mineralogy, 2(1), 11-20. In: Jambor, J.L., Roberts, A.C. (1997) New mineral names: Na-Ca zeolite, American Mineralogist, 82(1-2), 207-210.

Smith, D. G.W., Nickel, E. H. (2007) A System of Codification for Unnamed Minerals: Report of the Subcommittee for Unnamed Minerals of the Ima Commission on New Minerals, Nomenclature and Classification. The Canadian Mineralogist, 45 (4) 983-990 doi:10.2113/gscanmin.45.4.983

Localities for UM1996-38-SiO:AlCaHNaHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the

symbol to view information about a locality. The

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Locality ListHide

- This locality has map coordinates listed.

- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality.

- Good crystals or important locality for species.

- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). ~~Struck out~~ - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Australia

New South Wales

Buckland Co.

ⓘ Borambil

England (1996)

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