Michigan Greenstones - at their finest - Beth Millner Jewelry

Michigan Greenstones - at their finest

October 27, 2017

Michigan Greenstones - at their finest

If you happen to be a rock hound who lives in Michigan, chances are you've searched for the illusive Michigan Greenstone, also known as Chlorastrolite. Declared the Official State Gem of Michigan in 1972, these stones can only be found on Isle Royale (an island in Lake Superior) and Michigan's Keweenaw Peninsula. Since it was prohibited to collect Greenstones from Isle Royale in 2000, collection sites are now very limited.

Processing Chlorastrolite can be difficult and time consuming due to their quartz-like and hollow tendencies. The end product, however, is so breathtaking that all the effort is worth it. We especially love the variating "turtleback" pattern found on particular specimens.


Michigan Greenstones on locally inspired Beth Millner Jewelry design sketch


In early November, you will have the chance to own a one-of-a-kind Greenstone piece as part of the release of our newest Wonderland series! Using recycled sterling silver and Upper Peninsula copper throughout the collection, these pendants will range from petite ovals to medium-sized circles. A few other mixed metal elements will be added to the larger pieces and you can, of course, find Beth Millner signature trees throughout the series.

And if you can't wait that long, you can find some Greenstone pieces on our website!


Holding recycled sterling silver and local copper pendants with trees and bezels


We have some awesome behind-the-scenes footage posted to our Instagram page, so make sure you check it out!


Recycled sterling silver crescent moon pendant before gemstone setting


*Special thanks to Keweenaw Gem and Gifts for the Greenstone information on their website: http://www.copperconnection.com/

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Ring Sizing

Purchase this ring sizer to help determine your ring size. This sizing tool is most accurate for double band rings and bands 6mm and under.

Fingers can change size due to many circumstances. The best way to get an accurate size is to check the size a couple of different times throughout a several day period to determine your best size. The majority of our rings can be resized, but if the ring has a stone setting other than a diamond, it probably cannot be resized unless otherwise noted in the item listing.

Some of our rings with stones are shown with the stone not set in order for us to size the ring to your specifications and set the stone afterwards. This avoids damage to the stone during sizing. Reference the individual ring listings for more details. Wide Bands 7mm and above have more friction against the finger and will need to be ordered a little larger.

Our double band rings fit like a narrow band. When getting sized for a double band ring, you can get sized for a ring that is narrow.

When getting your finger sized, inform jeweler of the width band you are intending on purchasing and rely on them to determine your ring size.

If you need a ring resized that you have already purchased please contact us. 

Engagement Ring Sizing

Purchase this ring sizer to help determine your ring size. This sizing tool is most accurate for double band rings and bands 6mm and under.

There are many sneaky options for getting the size right but the best way is to have their finger sized by a professional.

You may be able to sneak one of their rings and bring it into a jewelry store and ask them to check the size.

Beth Millner Jewelry has wish lists too, so they could come in to the store and fill out a wish list and we will try to get their ring size written down.

Bracelet & Cuff Sizing

Measure wrist circumference. Take your measurement just above the wrist above bone.

Use the chart below to determine the correct size.

The bracelets we make are designed to fit comfortably, but if a looser fit is preferred, the next size up may be suitable.


Beth Millner Jewelry Bracelet Sizing Beth Millner Jewelry Bracelet Sizing


Size Wrist Measurement (Inches) Wrist Measurement (cm)
Small 5.5-6 14-15
Medium 6-6.5 15-16.5
Large 6.5-7 16.5-18
X-Large 7-7.5 18-19
XX-Large 7.5-8 19-20.5
Bangle Sizing

Bangle Size is determined by hand size, rather than wrist size

Measure hand size by tucking your thumb in, just like when trying on a bangle. Measure around the thickest part of the hand while in this position.

Use the chart below to determine the correct bangle size.

Bangle Bracelet Sizing Beth Millner Jewelry Bangle Bracelet Sizing Beth Millner Jewelry
Size Hand Measurement (inches) Hand Measurement (cm)
Small 7-8 18-20
Medium 8-9 20-23
Large 9-9.5 23-24
Pendant & Earring Sizing

When determining the size of pendant or earrings you would like to purchase, please reference the item description which includes the size of the piece.

Also, there will be an image with a hand in the picture to help visualize the size.

When choosing a piece for another person, we find that our customers choose pieces that are similar to their overall stature.

People that are shorter and small tend to like smaller items, tall slender people tend to like our longer larger pieces.

Chain Length

When picking out a chain, 18 inch is the most common length.

This would cause the pendant to sit between the collar bones.

Beth Millner Jewelry chain length