Rockin the Rockies

Rockin the Rockies
Stowe Mtn

Sunday, November 4, 2012

Onegite at Lake George

Onegite is somewhat of a misnomer. Onegite was a name given to a mineral when in fact it is a specimen composed of quartz and goethite needles. Originally described from Lake Onega, Wolf Island, Karelia Republic, Northern Region, Russia. We still use the name Onegite locally instead of saying quartz with goethite inclusions. The onegite varies in color from near black, brown, yellow (citrine) and purple(amethyst). I believe this color change is primarily caused by the amount of goethite needles imbedded in the quartz. Last week I made another prospecting trip to Lake George in search of crystals and stumbled on a pocket of smoky quartz and onegite. Unfortunately many of the smoky quartz have a mottled appearance and are spot covered in additional quartz coating. The onegite are however somewhat unusual and the nicest I've ever found. I've shown smaller specimens to old timers who were quite impressed. These onegite handily beat those. Studying the crystals I believe the onegite and goethite balls formed after the original pocket was formed. Much of the goethite with onegite crystals seems to have formed around existing smoky quartz crystals.
Close up of Onegite

Large grouping of onegite on goethite

Onegite on matrix with goethite

Onegite crystal mass

Largest onegite crystal found about the size of a nickel
I should add the smokys from this pocket cleaned up fairly well

Quartz crystals also found, dig is in lower left


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