Diazepam use while Breastfeeding. Drugs containing Diazepam: Valium, Diastat, Dizac, Diastat AcuDial, Valrelease, Diazepam Intensol, Diastat Pediatric, Zetran. Diazepam is excreted into breastmilk and it and its active metabolite, nordiazepam, accumulate in the serum of breastfed infants with repeated doses. Because the half-life of diazepam and nordiazepam are long, timing breastfeeding with respect to the dose is of little or no benefit in reducing infant exposure. Other agents are preferred, especially while nursing a newborn or preterm infant.
This is called the luster of the mineral.   The luster of a mineral is the way its surface reflects light. Most  terms used to describe luster are self-explanatory: metalâ¦lic,  earthy, waxy, greasy, vitreous (glassy), adamantine (or brilliant,  as in a faceted diamond). 14 people found this useful. Qwertyghj63.
Lustre (mineralogy) Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral. The word traces its origins back to the latin lux, meaning light, and generally implies radiance, gloss, or brilliance. A range of terms are used to describe lustre, such as earthy, metallic, greasy, and silky. Similarly, the term vitreous (derived from the Latin for glass, vitrum) refers to a glassy lustre. A list of these terms is given below. Lustre varies over a wide continuum, and so there are no rigid boundaries between the different types of lustre.