MT8407 Meionite / Prehnite : CSIRO Spectroscopy Database

MT8407 Meionite / Prehnite [CSIRO]

Name	MT8407 Meionite / Prehnite
Owner	CSIRO
Collection	ARRC Collection
Catalog ID	MT8407
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 by the Diffraction, Mineralogy and Geochemistry Team, CSIRO Mineral Resources. 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) ⬇