Limestone is by definition a rock that contains at least 50% calcium carbonate in the form of calcite by weight. All limestones contain at least a few percent other materials. These can be small particles of quartz, feldspar, clay minerals, pyrite, siderite and other minerals.
Answers (4) You have not mentioned the name of the medicine in your post. Ideally 4 times a day means every 6 hours. It depends on what the medicine is as to how rigid you should be in regards to dosing. If the medicine is an antibiotic then every 6 hour dosing is important as is pain relief medication if in severe pain. If the dosing isn't so critical then 4 times a day could be evenly spaced out during the waking hours.
Oral dosage (Lovaza and Omtryg) Adults. 4 capsules/day PO, either as a single dose PO once per day or as 2 capsules PO twice daily. The effect of treatment on the risk for pancreatitis and cardiovascular morbidity/mortality in patients with severe hypertriglyceridemia has not been determined. 2 or 4 g (2 or 4 capsules) PO once daily.