Minnesota Mineral Club

Minnesota Mineral Club We love agates and more! Meetings are held monthly on the second Saturday evening, September
through May (no meetings June, July and August).

Official page for The Minnesota Mineral Club, a non-profit organization devoted to encouraging interest and education in geology, mineralogy, lapidary and earth sciences! Meetings are at the Creekside Community Center, 9801 Penn Avenue South, Bloomington, MN 55431.

While not a mineral, Mahogany Obsidian is classified as a type of mineraloid. Mahogany Obsidian, like all other obsidian...
08/31/2026

While not a mineral, Mahogany Obsidian is classified as a type of mineraloid. Mahogany Obsidian, like all other obsidian, has a glassy luster with a smooth, uniform texture. It can be easy to spot fake Mahogany Obsidian. The goal is to look for any inconsistencies in color, texture, or pattern. The real thing should have a smooth and glassy appearance. It's a beautiful stone that would be a great addition to any lapidary artist's collection.

The Minnesota Department of Natural Resources is inviting Minnesotans to help in creating the next Minnesota state parks...
08/29/2026

The Minnesota Department of Natural Resources is inviting Minnesotans to help in creating the next Minnesota state parks license plate. The theme for this plate is the North Shore and the Lake Superior agate. The North Shore refers to the western shoreline of Lake Superior from Duluth to the Canadian border.

Vehicles with the new plate, which is expected to be available for purchase in January 2027, will be able to enter all Minnesota state parks and recreation areas without a vehicle permit.

“Every plate purchase supports Minnesota's state parks and trails,” said Ann Pierce, DNR Parks and Trails Division director. “When someone chooses a state parks and trails license plate, they're directly funding the people and projects that keep these places open, safe and ready for visitors — from the staff who keep things running, to trail repairs and building improvements.”

The DNR encourages anyone with a connection to Minnesota's outdoors to participate. Artistic experience isn't required — creative ideas from Minnesotans of all backgrounds are welcome.

Contestants can begin working on their designs now. Entries will be accepted online via the DNR website this fall from Sept. 15 through Oct. 31. Complete contest rules are available at mndnr.gov/parksplate/contest, and the entry form will be available at this same webpage when the entry period opens Sept. 15.

Fluorite comes in all different colors of the rainbow, but today we are highlighting one of the rarest colors: Blue Fluo...
08/24/2026

Fluorite comes in all different colors of the rainbow, but today we are highlighting one of the rarest colors: Blue Fluorite. There isn't much that differentiates each color of Fluorite other than the combination of other mineral impurities, as it is clear in its pure form. The metaphysical properties of Blue Fluorite are believed to enhance communication, organize chaotic thoughts, and clear brain fog.

Grab boxes up for auction! Each box in the August MMC auction has at least one Montana Agate as well as 5, 10, or 20 pou...
08/19/2026

Grab boxes up for auction! Each box in the August MMC auction has at least one Montana Agate as well as 5, 10, or 20 pounds of other rocks. Some will be mysterious, some obvious! The website pictures will show you each box. If you see something you like, go for it! Members should have received a link to the auction in an email.

Rainforest Rhyolite is found only at one location in the world: Mount Hays in Queensland, Australia. This makes Rainfore...
08/17/2026

Rainforest Rhyolite is found only at one location in the world: Mount Hays in Queensland, Australia. This makes Rainforest Rhyolite rarer than most other minerals. This mineral gets its name because the beautiful color scheme reminds people of a rainforest. Rainforest Rhyolite is typically used as beads, cabochons, ornaments, and, more recently, in the furniture and building industries.

After an impromptu break for our Monday's Mineral Moment, we ARE BACK! Can anyone guess what type of rock we are highlig...
08/15/2026

After an impromptu break for our Monday's Mineral Moment, we ARE BACK! Can anyone guess what type of rock we are highlighting next based on this extreme close-up?

08/12/2026

Make sure to check out PT Rocks and Gems at our upcoming show, October 3rd & 4th at the Minnesota State Fair Grounds Grandstand. We are excited to have them back again this year!

Address

8147 Pleasant Avenue S
Bloomington, MN
55420

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