Oh no it's a grease/gear oil mix, we's talkin' only grease in this thread
Lithium and silica thickeners should not be combined. Lithium is a complex soap base, whereas silica is an inorganic base. Because they come from different base materials, combining them weakens the grease's structure, making it thin and ineffective.
Read more: Compatibility of Silica Thickened Grease and Lithium Grease | eHow.com
http://www.ehow.com/facts_8187502_compatibility-thickened-grease-lithium-grease.html#ixzz1iwAJWpeE