Origin
-
Southern and central Africa
Color
Red
Brown, Green, gray, White
Specific Gravity
-9999
3.15-3.259
Cleavage
None
Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.
Mohs Hardness
-9999
5.5-6
Chemical Composition
ZrSiO4
(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Pleochroism
-
Weak to moderate
Transparency
-
Transparent
Refractive Index
-9999
1.625-1.718
Crystal System
-
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Birefringence
-9999
-9999
Psychology
Creativity
Focus
Healing
Emotional healing
-
Qualities Associated
Creativity
Protection