Browsing ELibrary by Author "v.Goerne G."

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Synthesis of tourmaline solid solutions in the system Na2O-MgO-Al2O3-SiO2-B2O3-H2O-HCl and the distribution of Na between tourmaline and fluid at 300 to 700 °C and 200 MPa

v.Goerne G.; Franz G.; Heinrich W. (2001)

Tourmaline has been synthesized hydrothermally at 200 MPa between 300 and 700 °C from oxide mixtures with Mg–Al ratios for the end members dravite NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) and Mg-foitite ❏(Mg2Al)Al6 (Si6O18)(BO3)3(OH)3(OH). ...

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