Color |
Mineral |
|---|---|
| bright orange | calcite |
| yellow & bright golden yellow | wollastonite |
| bright green | aragonite (Aragonite is calcium carbonate but a different crystal system as calcite.) hyalite (Hyalite is essentially chalcedony.) |
| magenta red | feldspar (As granite dikes dominated by feldspar.) |
| blue white | dolomite |
| light blue | diopside |
| white to slight yellow tint | travertine (Also calcium carbonate. Phosphoreces.) |
| lavender, purple, intense sky blue, & intense azure blue | unknown minerals (Howard thinks they are secondary carbonate and silicate minerals that occur as coatings on fractures and may be a combination of minerals that overlap each other and form the multi color blue green purple and blue colors.) |
Information above provided by Howard Brown.