| Reference Type | Journal (article/letter/editorial) |
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| Title | Studies on the zeolites. Part IV. Ashcroftine (kalithomsonite of S. G. Gordon) |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Hey, Max H. | Author |
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| Bannister, F. A. | Author |
| Year | 1933 (March) | Volume | 23 |
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| Issue | 140 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_23/23-140-305.pdf+ |
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| DOI | doi:10.1180/minmag.1933.023.140.02 |
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| Generate Citation Formats |
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| Mindat Ref. ID | 7153 | Long-form Identifier | mindat:1:5:7153:0 |
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| GUID | 0 |
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| Full Reference | Hey, Max H., Bannister, F. A. (1933) Studies on the zeolites. Part IV. Ashcroftine (kalithomsonite of S. G. Gordon) Mineralogical Magazine and Journal of the Mineralogical Society, 23 (140) 305-308 doi:10.1180/minmag.1933.023.140.02 |
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| Plain Text | Hey, Max H., Bannister, F. A. (1933) Studies on the zeolites. Part IV. Ashcroftine (kalithomsonite of S. G. Gordon) Mineralogical Magazine and Journal of the Mineralogical Society, 23 (140) 305-308 doi:10.1180/minmag.1933.023.140.02 |
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| In | (1932) Mineralogical Magazine Vol. 23 (140) Mineralogical Society |
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| Abstract/Notes | In 1924 S. G. Gordon described as a variety of thomsonite a pink zeolitic mineral occurring as a fine crystalline powder in cavities of augite-syenite at Narsarsuk, Greenland. The material was described as orthorhombie, with two good cleavages a(100) and b(010) and a less perfect one c(001) ; no other faces were observed on the minute prismatic crystals. The refractive indices Gordon measured as ± 1.535, ² 1.537, ³ 1.545, with the optic orientation a = b, ² = ±, ³ = c, and optic sign positive. Analysis gave the figures under I (p. 307), and as these agree with the composition to be expected for a potassiferous thomsonite, apart from the high water content, Gordon regarded it as such, and gave it the varietal name kalithomsonite. |
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