This substance (an iron-magnesium silicate whose greenish colour is reminiscent of olives) weathers rapidly in the presence of water.
Lovejoy's greenish colour, obvious in photographs, comes from molecules of cyanogen and diatomic carbon as they fluoresce in the ultraviolet light from the Sun.
Chloroplasts are pigmented organelles that are involved in photosynthesis and the manufacture of food within a plant's cell, and their incorporation into the sea slug gives the animal a greenish colour.
Quartz cat's-eye, the commonest, owes its chatoyancy and grayish-green or greenish colour to parallel fibres of asbestos in the quartz; although it comes from the East, it is often called occidental cat's-eye to differentiate it from the more valuable oriental (chrysoberyl) cat's-eye.
During examination of the greenish colour the SMFP compound was found.
The cans are not wash regularly and in some having greenish colour in them (Spirogyra).
The greenish colour observed on the toothbrush recovered for DNA analysis prompted to the examination of the associated effect.
Open image in new window Fig. 1 Examination of the greenish colour marked on toothbrush during recovery of DNA sample.
Greenish colour was alike the used toothpaste given to the volunteers for a 7 days brushing (day and night) upon comparison.
The greenish colour derives from a mixture of blue smalt (which contains potassium, cobalt, nickel, arsenic, bismuth, silicon and possibly iron) [32] detected by ATR-FTIR/XRF spectroscopies, and of a yellow pigment, probably the lead oxide massicot detected by Raman spectroscopy.
The Venetian recipes mention "common frit" for the manufacture of green glass, which is made using impure "Hispanic soda" and therefore shows a bluish or greenish colour [28, 29].
