tinzeniten.
/ˈtɪnzənʌɪt/ Mineralogy.
A basic silicate of calcium, manganese, aluminium, boron, and iron that occurs as triclinic yellow crystals and is now regarded as a member of the axinite group.
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the world > the earth > minerals > types of mineral > silicates > cyclosilicates > [noun] > axinite
thumerstone1794
axinite1802
yanolite1850
thumite1868
manganaxinite1910
tinzenite1924
1924 Chem. Abstr. 18 3337 Tinzenite: yellow; radial platy masses in quartz.
1968 Amer. Mineralogist 53 1409 The name ‘tinzenite’ must be used for those axinites with Ca < 1·5 and Mn > Fe (but usually Mn ≫ Fe). At this stage it is impossible to say whether tinzenite is an independent mineralogical species or only a variety.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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