Ravenstein Gem Co.

Ravenstein Gem Co. Ravenstein Gem Co LLC featured gemstones and info about our gemstone mining cutting research & value

Precision EU/US faceted gemstones, clean gem rough, specimen, crystals.

Visit our Ravenstein Gem Co website or our Ravenstein Etsy store, with over 2000 gems.
04/15/2026

Visit our Ravenstein Gem Co website or our Ravenstein Etsy store, with over 2000 gems.

03/11/2026

Natural untreated DANBURITE 11.28 ct, dimensions: 20.8 x 12.4 x 7.0 mm. The gemstone was cut in cooperation with Jack Hoque .
Email for the purchasing info: [email protected]

02/16/2026

Beautiful OPAL from Ethiopia 5.18 Ct, cabochon cut 14.9 x 13.2 x 4.8 mm. For purchasing info, please contact the stock manager - [email protected]

02/15/2026

Rare BENITOITE, California 0.96 Ct, pear cut 8.0 x 5.3 x 3.3 mm. You can find the gemstone on our Ravenstein website - item no. W7701. For purchasing info, please contact the stock manager - [email protected]

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02/14/2026

Congo Tourmaline Rubellite 6.88 Ct, fantasy cut by Lee Haynes USA. You can find the gemstone on our Ravenstein website - item no. W7334. For purchasing info, please contact the stock manager - [email protected]

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02/13/2026

Large natural untreated DANBURITE (Mexico) 14.81 Ct. The mine doesn’t produce large clean facet grade crystals anymore, the gemstone is becoming more rare especially in the larger sizes. Very brilliant gemstone, hight refractive index. Danburite belongs to the Angel Crystal group, it has very powerful spiritual and healing properties. Danburite serves as a protector that brightens up the mind of the owner.
For purchasing info, please contact the stock manager at [email protected]

02/12/2026

AMETHYST 6.46 ct. You can stop by at the Tucson Gem Show at our booth, or find the gemstone on our Ravenstein website - item no. 22119. For purchasing info, please contact the stock manager - [email protected]

02/11/2026

Oregon SUNSTONE 7.33 ct. You can stop by at the Tucson Gem Show at our booth, or find the gemstone on our Ravenstein website - item no. W2165. For purchasing info, please contact the stock manager - [email protected]

02/10/2026

Red Oregon SUNSTONE 5.18 ct. You can stop by at the Tucson Gem Show at our booth, or find the gemstone on our Ravenstein website - item no. W6228. For purchasing info, please contact the stock manager - [email protected]

02/09/2026

Natural untreated DANBURITE (Mexico) 7.85 Ct. The gemstone is going to be listed on our Ravenstein Gem Co website, item no. W7696. The mine doesn’t produce large clean facet grade crystals anymore, the gemstone is becoming more rare especially in the larger sizes. Very brilliant gemstone, hight refractive index. Danburite belongs to the Angel Crystal group, it has very powerful spiritual and healing properties. Danburite serves as a protector that brightens up the mind of the owner.
For purchasing info, please contact the stock manager at [email protected]

02/08/2026

Amazing rutilated Quartz from Brazil 17.9 ct, dimensions: 22.0 x 15.6 x 5.6 mm. Visit us at the Tucson Gem Show!
Contact: katerina .com

02/07/2026

A very unique Oregon SUNSTONE 6.24 ct. You can find the gemstone on our Ravenstein website - item no. W1848. For purchasing info, please contact the stock manager - [email protected]

Address

Marana, AZ
85653

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+16194529820

Website

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