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Bismuth (Bi) – The Popular Rainbow Element
Bismuth (Bi) – The Popular Rainbow Element Bismuth Chemical & Physical Properties Bismuth has been known and used by humans for hundreds of years for its host of remarkable properties. The mineral we know as bismuth was originally referred to as Wismut by 15th-century German monks, the name coming from the German phrase meaning “white mass.”…

San Carlos Olivine & Peridot Minerals
San Carlos Olivine & Peridot The San Carlos Apache Reservation is one of the earth’s richest resources olivine-rich rocks. San Carlos Olivine is a name that refers to a group of closely related minerals, with very similar chemical compositions, that are found in igneous rocks in the Apache Reservation. These olivine minerals consist of silicon…

USGS 7.5 Minute Long Beach, CA Quadrangle 2018 Topo Map
USGS 7.5 Minute Long Beach, CA Quadrangle 2018 Topo Map To download the 2018 United States Geological Survey USGS 7.5 Minute Long Beach, CA Quadrangle Topo Map, please use the link below. PDF Download – USGS 7.5 Minute Long Beach, CA Quadrangle 2018 Topo Map

Agate Types & Geological Properties of the Agate Crystal
Agate Types & Geological Properties of the Agate Crystal The agate crystal is a microcrystalline-quartz mineraloid that has a lustrous display of multi-color banding and results from long-term accumulations of siliceous groundwater deposits in rock cavities. Much like other mineraloids, all agate types form over thousands of years inside the existing voids of other igneous,…

Soil pH Test Strips
Soil pH Test Strips The pH of soil can be measured using a variety of different devices, or pH testers, which can quickly indicate to a user the pH of their soil. Soil ph test strips determine a numerical value indicating the acidity or alkalinity of soil. The pH scale ranges from 0 to 14,…

Is the Earth Around Millennium Tower Sinking
Is the Earth Around Millennium Tower Sinking? Is the earth around the Millennium Tower sinking? Built-in 2008, the Millennium Tower in San Francisco has reportedly sunken about 17 inches into the ground surface. This subsidence is a consequence of improper geotechnical engineering design and potential changes in the hydrogeological setting. Moreover, surveyors indicate the structure is…