MT8407 Meionite / Prehnite : CSIRO Spectroscopy Database

MT8407 Meionite / Prehnite [CSIRO]

Name	MT8407 Meionite / Prehnite
Owner	CSIRO
Collection	ARRC Collection
Catalog ID	MT8407
CMR-Specify ID	2024-MS-0000000709
Material(s)	Meionite [Ca₄Al₆Si₆O₂₄(CO₃)] — 71.8% Prehnite [Ca₂Al(Si₃Al)O₁₀(OH)₂] — 10.2% Kaolinite [Al₂Si₂O₅(OH)₄] — 4.2% Muscovite-1M [KAl₂(Si₃Al)O₁₀(OH)₂] — 4.0% Pumpellyite-(Mg) (var. Cr) [Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂·H₂O:Cr] — 3.9% Montmorillonite [(Na,Ca)_0.3(Al,Mg)₂Si₄O₁₀(OH)₂·nH₂O] — 3.2% Muscovite-2M1 [KAl₂(Si₃Al)O₁₀(OH)₂] — 2.7% Scapolite [(Na,Ca)₄[Al₃Si₉O₂₄]Cl] Phase abundance was determined by quantitative XRD analysis, in: Owen, N., Gomez-Camacho, R. and Fan R. (2023), Diffraction, Mineralogy and Geochemistry XRD Characterisation Report, Jobs # 6243 and # 6245 [CSIRO internal reports]. ID 65653.
Reference	CSIRO Reflectance (2025) Reflectance spectra measured by C. Laukamp and co-authors, CSIRO Mineral Resources
Reflectance spectrum	Meionite reflectance spectrum, CSIRO Reflectance (2025) ⬇