Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Allophane RRUFF ID: R070188 Ideal Chemistry: Al2O3(SiO2)1.3-2.0·2.5-3.0H2O Locality: Old Gold Hill mine, Tooele County, Utah Source: Michael Scott S102984 [view label] Owner: Michael Scott Description: Pale blue fine-grained coating Status: The identification of this mineral is not yet confirmed. |
Mineral Group: [ Allophane (4) ] | ||
Quick search: [ All Allophane samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
REFERENCES for Allophane | |
---|---|
Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
|
Hausmann J F L, Stromeyer F (1816) Report at the Royal Academy of Sciences Göttingen meeting 13 July, 1816 on silberkupferglanz and allophan, Göttingische Gelehrte Anzeigen, 2, 1249-1253 [view file] |
|
Stromeyer F (1816) Analyse des sels de strontiane et de quelques mineraux, Annales de Chimie et de Physique, 3, 395-403 [view file] |
|
Fleischer M (1963) New mineral names, American Mineralogist, 48, 433-437 [view file] |
|
Henmi T, Wada K (1976) Morphology and composition of allophane, American Mineralogist, 61, 379-390 [view file] |
|
Parfitt R L, Furkert R J, Henmi T (1980) Identification and structure of two types of allophane from volcanic ash soils and tephra, Clays and Clay Minerals, 28, 328-334 |
|
van der Gaast S J, Wada K, Wada S I, Kakuto Y (1985) Small-angle X-ray powder diffraction, morphology, and structure of allophane and imogolite, Clays and Clay Minerals, 33, 237-243 [view file] |
|
Jeute T, Baker L L, Bishop J L, Abiden Z, Rampe E B (2021) Spectroscopic analysis of allophane and imogolite samples with variable Fe abundance for characterizing the poorly crystalline components on Mars, American Mineralogist, 106, 527-540 |
|
Du P, Wang S, Yuan P, Liu J, Liu D, Guo H, Xiang X, Guo X (2022) Structure of allophanes with varied Si/Al molar ratios and implications to their differentiation on Mars, Icarus, 382, 115057 |
|
|