Keep in mind that the same cuts of beef can have different names. For example, a boneless top loin steak may also be called a strip steak, club sirloin steak or N.Y. strip steak. Other tips when choosing cuts of beef: 1  Choose cuts that are graded Choice or Select instead of Prime, which usually has more fat. 2  Choose cuts with the least amount of visible fat (marbling). 3  When selecting ground beef, opt for the lowest percentage of fat. 4  Limit consumption of organs, such as liver, to about 3 ounces (85 grams) a month.
Some limestones form from the cementation of sand and / or mud by calcite (clastic limestone), and these often have the appearance of sandstone or mudstone. As calcite is the principle mineral component of limestone, it will fizz in dilute hydrochloric acid.imestone is a sedimentary rock consisting of more than 50% calcium carbonate (calcite-CaCO 3). There are many different types of limestone formed through a variety of processes.
Pure limestone is made of calcium carbonate. Limestone often contains variable amounts of silica in the form of chert or flint, as well as varying amounts of clay, silt and sand as disseminations, nodules, or layers within the rock.The primary source of the calcite in limestone is most commonly marine organisms.These organisms secrete shells that settle out of the water column and are deposited on ocean floors as pelagic ooze or alternatively is conglomerated in a coral reef (see lysocline for information on calcite dissolution).ere, it decays and becomes a part of the rock known as limestone. So, limestone is made of decayed calcium, or calcite.   +++   Almost-but a chemical element cannot decay! The primary mineral of this sedimentary rock is calcite, calcium carbonate, which is a chemical compund (CaCO3).