Petrography lower if wholly or partly vitreous. The specific gravity of the more common rocks range from about 2.5 to 3.2. Archaeologists use petrography to identify mineral components in pottery. This information ties the artifacts to geological areas where the raw materials for the pottery were obtained. In addition to clay, potters often used rock fragments, usually called "temper" or "aplastics", to modify the clay's properties. The geological information obtained from the pottery components provides insight into how potters selected and used local and non-local resources. Archaeologists are able to determine whether pottery found in a particular location was locally produced
The NLT Study Bible of the NLT Study Bible. The NLT Study Bible is available in hardback, bonded leather, and "LeatherLike" bindings. It is also available electronically for the Libronix Digital Library System and WORDsearch platforms as well as a pocket edition from Laridian. A Kindle edition is coming soon. The NLT Study Bible The NLT Study Bible was released in September, 2008, by Tyndale House Publishers, Inc. following a decade long process from original conception to publication. A Genesis "sampler" was released in April of the same year. Featuring a brand new set of notes and features put together by what Tyndale calls