This zeolite has an intermediary structure between offretite and erionite zeolites.
Alessandra Caovilla, Reus T. Rigo, Fábio G. Penha, Sibele B. C. Pergher 2009, 'Estudo e caracterização da zeólita OFF Tipo T empregando diferentes fontes de silícioStudy and characterization of zeolite Offretite Type T employing differents siliconsources', Química Novahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000700025. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The reactivity and the nature of erionite biotoxicity has been the subject of intensive research.
Matteo Giordani, Georgia Cametti, Fulvio Di Lorenzo, Sergey V. Churakov 2019, 'Real-Time Observation of Fibrous Zeolites Reactivity in Contact with Simulated LungFluids (SLFs) Obtained by Atomic Force Microscope (AFM)', Mineralshttps://www.mdpi.com/2075-163X/9/2/83. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Inhalation of fibrous erionite particles has been linked to malignant mesothelioma.
Matteo Giordani, Georgia Cametti, Fulvio Di Lorenzo, Sergey V. Churakov 2019, 'Real-Time Observation of Fibrous Zeolites Reactivity in Contact with Simulated LungFluids (SLFs) Obtained by Atomic Force Microscope (AFM)', Mineralshttps://www.mdpi.com/2075-163X/9/2/83. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Despite very close chemical and structural relationships between erionite and offretite, the reactivity of offretite in lung fluids remains unknown.
Matteo Giordani, Georgia Cametti, Fulvio Di Lorenzo, Sergey V. Churakov 2019, 'Real-Time Observation of Fibrous Zeolites Reactivity in Contact with Simulated LungFluids (SLFs) Obtained by Atomic Force Microscope (AFM)', Mineralshttps://www.mdpi.com/2075-163X/9/2/83. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)