Search Results for: Black currants not containing any sweetening matter
for other uses, see pearl (disambiguation) . pearl various pearls general category carbonate mineral , protein formula (repeating unit) calcium carbonate , caco conchiolin strunz classification .ab crystal system orthorhombic [ ] identification color white, pink, silver, cream, brown, green, blue, black
, yellow, orange, red, gold, purple, iridescent cleavage none [ ] fracture uneven mohs scale hardness - [ ] streak white specific gravity - [ ] refractive index common pearl: - black pearl: - [ ] birefringence pleochroism absent dispersion none ultraviolet fluorescence white pearls: light blue to light...
https://en.wikipedia.org/wiki/Pearl