Mineral Specimen and Product Inventory Search
- Availability
- Sold
- Featured
- Featured in Special Editions
- Locality
- Bogala mine, Sabaragamuwa Prov., Sri Lanka
- Formula
- C
- Size
- 8 x 5 x 10 cm - Cabinet
- Tagged
- Ore Minerals
Piece of silvery-gray soft foliated Graphite.
According to the the USGS Mineral Yearbook 2010 Graphite production in Sri Lanka was 3,437 metric tons.
- Availability
- Sold
- Locality
- Orford Nickel mine, Estrie, Quebec, Canada
- Formula
- Ca3Al2(SiO4)3
- Size
- 3.5 x 2.5 x 2.5 cm - Miniature
Green subhedral crystals of chromian Grossular with black Chromite.
- Availability
- Available
- Price
- $45.00
- Locality
- Salsigne mine, Salsigne, Aude, France
- Formula
- Ca5(AsO3OH)2(AsO4)2ยท9H2O
- Size
- 4 x 3 x 2.5 cm - Miniature
- Tagged
- arsenate
Colorless tabular crystals to 0.75mm of Guerinite with beautiful sprays of snow white Picropharmacolite to 4mm across.
- Availability
- Available
- Price
- $75.00
- Locality
- Dugdu alkaline complex, Tuva, Siberia, Russia
- Formula
- Ca2BeSi2O7
- Size
- Capsule
- Special Info
- XRD Confirmed
This is a tiny 1mm specimen with light yellow, flaky Gugiaite crystals attached to dark purple Fluorite. Gugiaite is a very rare beryllium oxide. Verified by Dr, Igor Pekov.
- Availability
- Sold
- Size
- Not Specified
- Tagged
- maps books, black hills, history, maps, books, book, map
Guidebook to the Geology of the Black Hills, South Dakota
by John Lufkin and Tom Loomis
Softcover. 3rd Edition. 2019. New, Table of Contents, 68 figures
This guidebook that details the unique geology of the Black Hills is co-authored by consulting geologist Dr. John Lufkin who grew up in the Black Hills and taught geology at the University of Texas-Austin and the Colorado School of Mines, and Tom Loomis, South Dakota School of Mines graduate and owner of Dakota Matrix Minerals.
The Guidebook provides detailed information on the geology and geologic history of the Black Hills in terms and language that can be understood by geologists and beginners alike. It features basic information such as introductory geology of the Black Hills, the rock cycle, and stratigraphy to in depth processes such as the Black Hills’ geomorphology and hydrology, mineral formation, as well as the uplift that formed the Black Hills and the processes that took place that provided the Black Hills with its rich history in gold.
The Guidebook to the Geology of the Black Hills, South Dakota is available in limited quantities. The guidebook offers the novice and professional geologist a good self-guided tour of Black Hills geology as well as a valuable reference.
- Availability
- Sold
- Size
- Not Specified
- Tagged
- maps books, black hills, maps, books, book, map
Guidebook to the Geology of the Black Hills, South Dakota
by John Lufkin, Jack Redden, Alvis Lisenbee, and Tom Loomis
Softcover. 1st Edition. 2009. New, Table of Contents, 88 figures
This guidebook that details the unique geology of the Black Hills is co-authored by consulting geologist Dr. John Lufkin who grew up in the Black Hills and taught geology at the University of Texas-Austin and the Colorado School of Mines, Dr. Jack Redden, an emeritus professor at the South Dakota School of Mines and Technology, Dr. Alvis Lisenbee, another South Dakota School of Mines emeritus professor, and Tom Loomis, South Dakota School of Mines graduate and owner of Dakota Matrix Minerals.
The Guidebook provides detailed information on the geology and geologic history of the Black Hills in terms and language that can be understood by geologists and beginners alike. It features basic information such as introductory geology of the Black Hills, the rock cycle, and stratigraphy to in depth processes such as the Black Hills’ geomorphology and hydrology, mineral formation, as well as the uplift that formed the Black Hills and the processes that took place that provided the Black Hills with its rich history in gold.
The Guidebook to the Geology of the Black Hills, South Dakota is available in limited quantities. The guidebook offers the novice and professional geologist a good self-guided tour of Black Hills geology as well as a valuable reference.
