Titanite In Thin Section
Distinct prismatic ceavage 110 may control grain orientation.
Titanite in thin section. Titanite has very high positive relief. Calcium can be partly replaced by thorium titanite is a unprecedented titanium mineral that happens as an accessory mineral in granitic and calcium wealthy. When viewed in thin section with a petrographic microscope pleochroic halos can be observed in minerals surrounding a titanite crystal.
Titanite sphene thin section photomicrographs are taken in plane polarized light and cross polarized light and can easily be recognized under the microscope. Home atlas of minerals in thin section. Also normally present are rare earth metals which includes cerium and yttrium.
Diamond shaped cross sections can be seen in thin sections. Titanite is a common accessory mineral in igneous rocks being found as small crystals in granites diorites syenites nephelite syenites. Simple twins may occur on 100.
Search for titanite using. Some titanite has been found to be metamict in consequence of structural damage due to radioactive decomposition of the often significant thorium content. Also found often in crystals of considerable size embedded in the metamorphic rocks gneiss chorite schist and crystalline limestone.