Blue Calcite Tumbled Stones | Argentina White The Union Pacific Coal Company

The Union Pacific Coal Company opened the first underground mine in 1881 after construction of the Oregon Short Line Railroad from Granger to Oregon

serrata are typically larger than C

Quaternary International 142–143: 218–228

While this species is extant

Classification: Lunar (feldspathic regolith breccia)

Blue Calcite Tumbled Stones | Argentina White The Union Pacific Coal CompanyReceive ONE, random hand selected stone, each stone is hand selected for quality and each piece is unique with different color variations. Each measures approx. 1. 5" x 2" Argentinian Blue Calcite is a transparent to opaque stone that is pale blue to medium blue. It is typically found with a white matrix. Calcite is one of the most prevalent minerals on earth and can be found in many different colors. Calcite translates from Greek to mean lime. Often