Orthoclase

	!colspan	2 align=centerOptical properties - Orthoclase
	Crystal System:	"http://wwwinformationdelightinfo/encyclopedia/entry/Monoclinic" class="copylinks">Monoclinic
	Color In	"http://wwwinformationdelightinfo/encyclopedia/entry/PPL" class="copylinks">PPL : Colorless, commonly with a dusty or cloudy appearance
		"http://wwwinformationdelightinfo/encyclopedia/entry/Pleochroism" class="copylinks">Pleochroism : N/A
	Habit/Shape: Can Be	"http://wwwinformationdelightinfo/encyclopedia/entry/anhedral" class="copylinks">Anhedral or Euhedral Grains are commonly elongate with a tabular appearance
	Twinning: Typically Displays	"http://wwwinformationdelightinfo/encyclopedia/entry/carlsbad_twinning" class="copylinks">Carlsbad Twinning Baveno and Manebach twins have also been reported in orthoclase
		"http://wwwinformationdelightinfo/encyclopedia/entry/Birefringence" class="copylinks">Birefringence : Up to first order white (roughly 0007)
	Optic Sign:	"http://wwwinformationdelightinfo/encyclopedia/entry/Biaxial" class="copylinks">Biaxial negative
	Alteration: Commonly Alters To	"http://wwwinformationdelightinfo/encyclopedia/entry/sericite" class="copylinks">Sericite or Clay
	Distinguishing Characteristics: Distinguishable From	"http://wwwinformationdelightinfo/encyclopedia/entry/microcline" class="copylinks">Microcline by a lack in Gridiron Twinning Distinguishable from sanidine by a larger 2V<sub>x</sub>

	CATEGORIES ABOUT ORTHOCLASE

	potassium minerals

	aluminium minerals

	tectosilicates

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