Direnzoite
A valid IMA mineral species
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Formula:
NaK6MgCa2(Al13Si47O120) · 36H2O
Colour:
Colourless
Lustre:
Vitreous, Silky
Hardness:
4½
Specific Gravity:
2.12
Crystal System:
Orthorhombic
Member of:
Name:
Named for Dr Francesco Di Renzo (1954- ), Research Director at the Laboratoire de Materiaux, Catalytiques et Catalyse en Chimie Organique, Ecole Nationale Superieure de Chimie de Montpellier, France. He is an expert in the field of zeolites, mesoporous materials, and catalysis.
This page provides mineralogical data about Direnzoite.
Unique Identifiers
Mindat ID:
31408
Long-form identifier:
mindat:1:1:31408:8
GUID
(UUID V4):
(UUID V4):
c1dde35c-c693-437f-b7d1-13c9e0c3746f
IMA Classification of Direnzoite
Approved
IMA Formula:
NaK6MgCa2(Al13Si47)O120 · 36H2O
Approval year:
2007
First published:
2008
Classification of Direnzoite
9.GF.55
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
F : Other Rare Zeolites
9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H2O; zeolite family
F : Other Rare Zeolites
Dana 7th ed.:
77.1.44.1
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Drz | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Direnzoite
Vitreous, Silky
Transparency:
Transparent, Translucent
Colour:
Colourless
Streak:
white
Hardness:
4½ on Mohs scale
Hardness Data:
Estimated
Comment:
estimated as mean value between that of mordenite & mazzite
Tenacity:
Brittle
Cleavage:
Distinct/Good
along the [010]
along the [010]
Fracture:
Splintery
Density:
2.12(3) g/cm3 (Measured) 2.080(5) g/cm3 (Calculated)
Chemistry of Direnzoite
Mindat Formula:
NaK6MgCa2(Al13Si47O120) · 36H2O
Crystallography of Direnzoite
Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pmmn
Cell Parameters:
a = 7.57887(18) Å, b = 18.20098(57) Å, c = 26.15387(83) Å
Ratio:
a:b:c = 0.416 : 1 : 1.437
Unit Cell V:
3607.74 ų
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0004494 | Direnzoite | Galli E, Gualtieri A F (2008) Direnzoite, [NaK6MgCa2(Al13Si47O120)*36H2O], a new zeolite from Massif Central (France): Description and crystal structure American Mineralogist 93 95-102 | 2008 | Massif Central, France | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
9.077 Å | (60) |
7.846 Å | (41) |
4.234 Å | (44) |
3.549 Å | (47) |
3.484 Å | (71) |
3.269 Å | (55) |
3.182 Å | (100) |
2.907 Å | (48) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
10 : Basalt-hosted zeolite minerals |
Type Occurrence of Direnzoite
General Appearance of Type Material:
Spherical aggregates of fibrous micro-crystals.
Place of Conservation of Type Material:
not given in article
Geological Setting of Type Material:
Found in cavities of a xenolitic rock
Reference:
Galli, E., Gualtieri, A.F. (2008) Direnzoite, a new zeolite from the Massif Central (France): Description and crystal structure. American Mineralogist: 93: 95-102.
Synonyms of Direnzoite
Other Language Names for Direnzoite
Spanish:Direnzoíta
Relationship of Direnzoite to other Species
Member of:
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 | M3-6(Si30Al6)O72 · 20H2O | |
Cowlesite | CaAl2Si3O10 · 6H2O | Orth. mmm (2/m 2/m 2/m) |
Dachiardite Subgroup | Zeolite Group. | |
Edingtonite | Ba[Al2Si3O10] · 4H2O | Orth. 2 2 2 : P21 21 21 |
Epistilbite | CaAl2Si6O16 · 5H2O | Mon. |
Erionite Subgroup | M2[Al4Si14O36] · 15H2O | |
Faujasite Subgroup | M3.5[Al7Si17O48] · 32H2O | |
Ferrierite Subgroup | Zeolite Group. | |
Ferrochiavennite | Ca1-2Fe[(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[Al8-9 Si27-28 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 | M6-7[Al8-9Si27-28O72] · 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 |
UM1996-38-SiO:AlCaHNa | Na-Ca-Al-Si-O-H | |
UM1999-33-SiO:AlHKNa | K7Na5Al12Si20O64 · 24H2O | |
UM2002-40-SiO:AlCaHKMgNa | (Mg,Ca,Na,K)7.5(Al12.8Si51.2)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 |
Related Minerals - Strunz-mindat Grouping
9.GF.05 | Terranovaite | (Na,Ca)8(Si68Al12)O160 · 29H2O |
9.GF.10 | Gottardiite | Na3Mg3Ca5Al19Si117O272 · 93H2O |
9.GF.15 | Lovdarite | K2Na6Be4Si14O36 · 9H2O |
9.GF.20 | Gaultite | Na4Zn2Si7O18 · 5H2O |
9.GF.25 | Chiavennite | CaMnBe2Si5O13(OH)2 · 2H2O |
9.GF.25 | Ferrochiavennite | Ca1-2Fe[(Si,Al,Be)5Be2O13(OH)2] · 2H2O |
9.GF.30 | Tschernichite | (Ca,Na2)[Al2Si4O12] · 4-8H2O |
9.GF.35 | Mutinaite | Na3Ca4Si85Al11O192 · 60H2O |
9.GF.40 | Tschörtnerite | Ca4(Ca,Sr,K,Ba)3Cu3[Al3Si3O12]4(OH)8 · nH2O |
9.GF.50 | Thornasite | (Na,K)12Th3[Si8O19]4 · 18H2O |
9.GF.60 | Meierite | Ba44Si66Al30O192Cl25(OH)33 |
9.GF.65 | Rongibbsite | Pb2(Si4Al)O11(OH) |
Other Information
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 Direnzoite
mindat.org URL:
https://www.mindat.org/min-31408.html
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References for Direnzoite
Reference List:
Localities for Direnzoite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
France (TL) | |
| Galli et al. (2008) |
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