Ashcroftine-(Ce)
Valid as an unnamed mineral
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Formula:
K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8 · 8H2O
Lustre:
Vitreous
Crystal System:
Tetragonal
Unique Identifiers
Mindat ID:
6809
Long-form identifier:
mindat:1:1:6809:9
GUID
(UUID V4):
(UUID V4):
2064e321-44f7-4872-aa8b-1e4067f8e7ca
IMA Classification of Ashcroftine-(Ce)
IMA status notes:
Unnamed (probably valid)
Approval history:
Unnamed, but probably valid.
Classification of Ashcroftine-(Ce)
9.DN.15
9 : SILICATES (Germanates)
D : Inosilicates
N : Inosilicates with 6-periodic double chains
9 : SILICATES (Germanates)
D : Inosilicates
N : Inosilicates with 6-periodic double chains
Physical Properties of Ashcroftine-(Ce)
Vitreous
Optical Data of Ashcroftine-(Ce)
Type:
Uniaxial (+)
RI values:
nω = 1.536 nε = 1.545
Max Birefringence:
δ = 0.009
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Low
Chemistry of Ashcroftine-(Ce)
Mindat Formula:
K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8 · 8H2O
Crystallography of Ashcroftine-(Ce)
Crystal System:
Tetragonal
Related Minerals - Strunz-mindat Grouping
9.DN. | Letnikovite-(Ce) | (Naâ—»)Ca2Ce2[Si7O17(OH)]F4(H2O)4 |
9.DN.05 | Emeleusite | Li2Na4Fe2Si12O30 |
9.DN.05 | Tuhualite | NaFe2+Fe3+Si6O15 |
9.DN.05 | Zektzerite | LiNaZrSi6O15 |
9.DN.10 | Semenovite-(Ce) | Na8Ca2FeBe6Ce2Si14O40(OH)4F4 |
9.DN.15 | Ashcroftine-(Y) | K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8 · 8H2O |
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 Ashcroftine-(Ce)
mindat.org URL:
https://www.mindat.org/min-6809.html
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Please feel free to link to this page.
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References for Ashcroftine-(Ce)
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