Montana Agate Cabochon - 57 Carats

+ $6.00 shipping

Only 1 available

+ $6.00 shipping
In stock
Preparation takes 1-2 business days
Arrives from the United States

Made in Bandon, Oregon

Item details

Up for sale is an intriguing Montana Agate cabochon featuring wavy brown and black banding towards the bottom topped with an area of starburst-type of dendritic inclusions floating in semi-transparent Chalcedony. I cut, ground, sanded, and polished the stone to a glassy finish front and back in my own lapidary shop from a chunk of rough rock we purchased and cut ourselves. While we do our best to take photos in good light to reflect the true colors of the stone, the colors on individual computer monitors may vary slightly.

The pear-shaped cabochon is approximately 37.5mm x 28.5mm x 6.5mm, weighs about 57 carats, and has a slightly beveled bottom edge and a polished and beveled girdle making it suitable for either a bezel setting or a wire wrap.

IMPORTANT SHIPPING INFO – The domestic shipping cost of $6 includes an upgrade to a small U.S. Postal Service Priority Mail Flat Rate box with tracking and insurance in order to provide the highest quality customer service to our valued clients. The tracking number will be sent to the buyer as soon as the shipping label is printed. While this method costs slightly more, Priority Mail has proven to be consistently more reliable and faster than First Class. And if they fit in the same box, additional items ship free!

In general, Agates form when silica in groundwater is deposited in openings in the subsurface. It is generally believed that Montana Agates were formed as the result of volcanic activity in the Yellowstone Park area millions of years ago, which deposited a tremendous amount of silica-rich ash over a wide area. Some Montana Agates, such as “limb casts”, appear to have originated from wood that became buried by ash and fossilized after the volcanic activity.

One of the most attractive features of Montana Agate is the colored inclusions, which are composed of minerals such as iron and manganese. These inclusions form when mineral-laden water is “wicked” into the rock through cracks or fractures and the mineral content of the water is deposited within the rock. The highest-quality Montana Agate is free from cracks or “checks”. Some of the most beautiful Montana Agates contain dendrites, or tree-like plumes of mineral inclusions.

Montana Agates are found over a broad area along the Yellowstone River valley and adjacent plateau areas from Emigrant Mountain to the North Dakota border. Rough Montana Agate often resembles a potato, and can be difficult to distinguish from other rocks. In the plateau areas, Montana Agates may have developed a distinctive white crust, although the Agates that are found away from the Yellowstone River are often more cracked and checked than the rocks that are found along the river. It's probably safe to say that all Montana Agate has been transported many miles from its original location. The transport process has tumbled the agates along the stream bed, and weak or cracked rocks have either fallen apart or else the cracks have been “healed” by exposure to the silica-rich waters of the Yellowstone River.

Metaphysically, Montana Agate is said to help balance emotions, discern the truth, accept circumstances and is useful as a powerful emotional healer. Agate is the mystical birthstone for the month of September and the birth stone for the zodiac sign of Gemini.

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Shipping & policies
Preparation takes 1-2 business days
Arrives from the United States
Estimated Shipping
Shipping to
Zip or postal code

US Shipments - USPS Priority Mail Flat Rate Box
INTERNATIONAL Shipments - USPS First Class International

In order to provide the highest quality customer service our valued clients deserve, all stones for shipments within the United States will be carefully wrapped, packed in a small U.S. Postal Service Priority Mail Flat Rate box, and mailed with tracking. The tracking number will be sent to the buyer as soon as a shipping label is printed. While this method costs slightly more, Priority Mail has proven to be consistently more reliable and faster than First Class. All packages will also be fully insured at no additional cost to the buyer.


- International orders are welcome. The shipping charge shown for each item includes insurance via U.S. Postal Service First Class Mail. If your Country is not listed on my ship to list, please convo me so I can research your Country for rates, customs requirements, etc.
- Import duties, taxes (such as VAT), and any other charges your country may impose are NOT included in the item price or shipping charges. These additional charges are the buyer's responsibility. *** VAT is not included in the price and I'm not registered to collect VAT. ***
- Please check with your country's customs office to determine what these additional costs will be prior to buying.
- These charges are normally collected by the delivering freight or shipping company or when you pick the item up. Please do not confuse these customs fees with additional shipping charges.
- Items which are returned as "Undeliverable" due to buyer's non-payment of duty and/or import tax will be refunded minus shipping fees once item is received back at our shop and the condition of the item verified.
- Here is a link to give you the approximate import costs (you may need to cut and paste this link):
- All international packages will have the correct amount declared on the customs form. I will not mark an order as a "gift".
- International shipping can take up to 8-10 weeks but is usually 2-4 weeks.
- Regarding lost packages - International orders are subject to a 45-day waiting period before filing an insurance claim.
- If your package is late, please notify me within 75 days so I can file an insurance claim.
- For destinations with high customs fees: If you separate your order into smaller values and purchase separately you may save money. Feel free to contact me for details.
- If you would like faster service through U.S. Postal Service Priority Mail, please contact me for costs.


SHIPPING TIME FRAMES: Item(s) will be shipped within 1-2 business days.

DISCOUNTS: We are sorry, but we do not offer discounts.


NOTE ON SHIPPING ADDRESSES: Please be sure that your Etsy shipping address is the same as your PayPal shipping address. If they do not match, the package will be sent to the PayPal address, so that we will be covered by PayPal’s Seller’s Protection Policy. If you need to have your item(s) shipped to a different address, please contact me at the time of purchase.


Paypal and credit cards are accepted.

If payments are not received within 3 days of purchase, you forfeit your right to the item and it will be relisted in our store.

Returns & exchanges
I gladly accept returns and exchanges
Contact me within: 14 days of delivery
Ship items back within: 30 days of delivery
I don't accept cancellations
But please contact me if you have any problems with your order.
The following items can't be returned or exchanged
Because of the nature of these items, unless they arrive damaged or defective, I can't accept returns for:
  • Custom or personalized orders
  • Perishable products (like food or flowers)
  • Digital downloads
  • Intimate items (for health/hygiene reasons)
Conditions of return
Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.
Additional return information
Our goal is for you to be completely happy with your purchase. We take pride in our work and if you are not completely satisfied, returns may be made within 7 days of receiving the purchase (or 14 days from shipment date) for a full refund, less shipping charges.

Please package items carefully to ensure there is no damage in transit, and mail with tracking and insurance. Buyer will pay return shipping costs. Once we receive the item in its original, unworn/undamaged condition, you will receive your refund. Please contact us with the tracking number BEFORE returning the item, so we will be aware it is on its way. In the event the item being shipped back to us is lost or damaged in transit, we will not be able to refund you. In this case you would need to contact the shipping courier that you selected and file an insurance claim.

PLEASE NOTE: We understand that it can be concerning when making a purchase online and looking only at photographs. We try very hard to insure that our photos and descriptions match the actual item as closely as possible. We are able to offer you a return refund one time for no additional fee; however, after one time there will be a 10% restocking fee.

Additional policies

Please contact me with any further questions.