Patients should be informed of the potential benefit and risk in the use of methotrexate. The risk of effects on reproduction should be discussed with both male and female patients taking methotrexate.
Because any mineral can be any color, you cannot use color alone to identify a mineral. Color can merely help you. (Or, sometimes, confuse you!) Shape â Minerals form in certain shapes based on the elements that make them up. Some minerals, such as quartz, only form in one particular shape. Others, such as calcite, can be found in multiple shapes. Sometimes shape isnât enough and you need to use other tests to help you identify a mineral. Hardness â How hard or soft a mineral is can tell you right away what mineral it could or could not be. The hardness of minerals is based on the Mohs Hardness Scale, which ranges from 1-10, 1 being the softest and 10 the hardest.
Aren't minerals something you find in the earth, like iron and quartz? Well, yes, but small amounts of some minerals are also in foods â for instance, red meat, such as beef, is a good source of iron. Just like vitamins, minerals help your body grow, develop, and stay healthy. The body uses minerals to perform many different functions â from building strong bones to transmitting nerve impulses. Some minerals are even used to make hormones or maintain a normal heartbeat. Macro and Trace. The two kinds of minerals are: macrominerals and trace minerals.