Lakeside Gem & Mineral Club

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Lakeside Gem & Mineral Club Lakeside Gem and Mineral Club was started in 1953. We are now one of the largest rock clubs in the N

It was named after Lake Wallula, commemorating the newly-built McNary Dam. Over the years, members from the closing Three Rivers and Horse Heaven Hills Gem and Mineral Societies, joined Lakeside. We are now one of the largest rock clubs in the northwest, and are proud of our dynamic Junior Club members.

10/16/2026
08/14/2026

Dendrites – not fossils, but still fascinating.

Dendrites are often mistakenly referred to as “ferns”, but they are not fossilized plant remains. Instead, they are mineral deposits, usually composed of iron and manganese, that form striking, branching patterns reminiscent of plant structures.

Such dendrites can be found in many sites across the world, but also in the Solnhofen limestone of Bavaria, Germany.

03/17/2026

Welcome back to Trilobite Tuesday! Pictured is a 3-in- (7.6-cm-) long Nevadia weeksi from the Lower Cambrian of the Western United States. At a first glance, you might not notice the two prominent antennae preserved on this trilobite. But with the help of UV lighting, as seen in the lower portion of this image, the segments of those antennae become much more apparent. Such soft-part preservation is rare in trilobites from this locality.

Mark your calendars!
03/04/2026

Mark your calendars!

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Kennewick, WA
99336

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