Coliform bacteria is the most common water test done to determine the safety of private wells and springs. But what exactly are these bacteria and how can they be ...
Quartzite is a nonfoliated metamorphic rock composed almost entirely of quartz. It usually forms from the metamorphism of sandstone.
Fulgurites (from the Latin fulgur, meaning "lightning") are natural tubes or masses of sintered soil, sand, and/or rock that form when lightning strikes the ground.
We have a number of resources ranging from video discussions with our scientists, virtual tours through google hangouts to live streaming of our public lectu
Gangue quartz which is harder than flint has a more uneven fracture and a more inhomogeneous structure that other rocks can more easily work on, and in the end ...
Prospecting for Gold Ore, Silver ore and turquoise; Adventures panning, slucing, dredging and metal detecting for gold: Small scale mines and prospectors
Pond.Gravel, those two words used together can make some peoples hair bristle and teeth grind. Gravel use in constructed ponds is hotly debated with lots of passion ...
Silica (silicon dioxide) is a compound of silicon and oxygen (Si02). It is a hard, glassy mineral substance which occurs in a variety of forms such as sand, quartz ...
Abrasion: The technique of grinding shallow decoration with a wheel or some other device. The decorated areas are left unpolished. Acid Etching
First draft prepared by Dr Zoltán Adamis, József Fodor National Center for Public Health, National Institute of Chemical Safety, Budapest, Hungary; and Dr Richard B ...
We discuss the 10 key steps it takes to turn sand into silicon.
One secret to beautiful wire and metal jewelry is tumble polishing or just tumbling. This article covers the dos and don''ts of the rotary tumbler.
Silica. Silicon dioxide, SiO 2, occurring in nature as quartz, opal, etc. Molding and core sands are impure silica. The prime ingredient of sand and acid refractories.
The Occupational Safety and Health Administration (OSHA) is amending its existing standards for occupational exposure to respirable crystalline silica. OSHA has ...
SBB''s steel glossary is great for finding the definition for any steel term associated to the industry.
As probably everyone in the club knows, I collect primarily glass steins. Yes, I have the obligatory couple of Mettlachs, some silver pieces, an old piece of faience ...
Explanations and Advice The future of your pool depends on the company you hire today. Swimming pools are one of a community''s top amenities. Well maintained ...
Standardization and the Process of Standardization There is practically no economic activity nowadays which is not outlined, whether partly or totally, by the process ...
Crystal meanings from Quartz properties to Siberian Blue Quartz and properties of Rose Quartz. Whether you want to know the meaning of the precious stones in your ...
Iron Manganese Filters Water Softening Nitrate Removal Sulfate Filtration Iron Bacteria Treatment Sulfur Odor Filter Sediment Sand Filters Product ...
Pumice for Filtration. Pumice is a viable alternative to sand and anthracite as a filtration and clarification media for several reasons: 1) Pumice has a lowdensity ...
Abrasive – Substance used to cut and polish rocks.
How to Buy Gold Nuggets How to buy gold nuggets without getting ripped off! If you are new to buying natural gold nuggets or have felt burned from past sellers we ...
Bentonite is a clay generated frequently from the alteration of volcanic ash, consisting predominantly of smectite minerals, usually montmorillonite.