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Quartzolite is an igneous rock composed essentially of primary quartz (60% to 100%), e.g., a quartz dike, segregation mass, or inclusion inside or outside its…

Menilite is an impure opal in brown or dull grayish concretions. It is sometimes considered a variety of opal but probably impure and really just…

Endorse Letter to an Employee for Recognition Award [The Letter to Endorse an Employee for an Award or Recognition is written to recommend the name…

In statistics, the Poisson Distribution (/ˈpwɑːsɒn/; French pronunciation: pwasɔ̃) function is a distribution function useful for characterizing events within a definite time or space with…

Robots have traditionally been made from hard materials such as metal and plastic. They have been driven by motors and other heavy electro-mechanical actuators. Soft…

Andradite is a species of the garnet group. The term Garnet describes a group name for several closely related minerals that form important gemstones, and…

The Cape of Good Hope (Afrikaans: Kaap die Goeie Hoop (ˌkɑːp di ˌχujə ˈɦuəp); Dutch: Kaap de Goede Hoop (ˌkaːb də ˌɣudə ˈɦoːp); Portuguese: Cabo…

Braille is a system that uses combinations of raised dots to spell letters and numbers. Braille technology is an assistive technology that allows blind or…

Hydrogrossular is just a calcium aluminum variety of Grossular Garnet with hydroxide (OH) partially replacing silica (SiO4). It is a calcium aluminum garnet series (formula:…

A credential that follows financial statements is an auditor’s opinion. It is based on an analysis of the processes and documents used to create the…

Quartz mining is the mining of gold on veins or ore bodies in place as distinguished from surface digging or washing: underground mining in rock.…

An opinion poll, also commonly referred to as a poll or a survey, is a way of gathering information about a group’s views or beliefs.…