What is a cornerstone?
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A cornerstone is a ceremonial masonry stone, or facsimile, set in a prominent location on the outside of a building, with an inscription on the stone indicating the construction dates of the building and the names of architect, builder and other significant individuals. The ceremony of laying a cornerstone is an important cultural component of western architecture
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the definition of a gem is a mineral or stone that is of great value.  diamonds are very valuable, so they are indeed a gem.
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The LDS (Mormon) Church.  Just a guess.  They developed the GEDCOM standard.
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They have pillars in the front area. There are three types of pillars, Doric, Ionic and Corinthian the latter is the most spectacular.
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Faith.\n\nAll you have to do is receive what is being freely given.
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The right to cross-examine witnesses is the cornerstone of the right to confrontation. There is not much of a cofrontation without cross-examination.
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Prime Rib.\nMedium rare.
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there is no concrete answer
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The keystone is the stone at the top middle of the arch, it is this that holds up all the other stones and hence the whole arch (including stone bridges).\n\nThus the keystone argument is the one element of an argument on which all the others hold.
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Granite and Marble are use to make Tombstones.
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Basic\nInstructions\nBefore\nLeaving\nEarth\n\nread the holy bible so you can have a better insite
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What does 'frame a question' mean?
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Someone who collects samples of the core drilled out when drilling for oil. this gives a sample which tells what kinds of rock or soil is being drilled through and if gasses are present. Also a seismic graph is kept. These things are used to log what is being drilled through and lets you know what can be expected as drilling proceeds.
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it is the key to trust, the cornerstone of a free society.
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What is crastals???????? If I knew what they were might be able to answer your question///////
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Sanctum Sanctorum\n\nNOTE:  Sancta Sanctorum is the accusative case of Sanctum Sanctorum in Hebrews 9:3.  The nominative case is the citation form and is what I have given above.  It helps to know Latin grammar before making an answer ;)
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Importance\nCritical\ntime\nhuman etc