| 单词 | tinzenite | 
| 释义 | tinzeniten. 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. ΘΚΠ 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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