Presentation :
Names) :
Hematite.
Etymology:
From the Greek haima=blood (Pliny) probably due to the red line color and/or the red color when observed in transmission.
Group...
Presentation :
Names) :
Jasper (Variety of Chalcedony).
Etymology:
From Greek and Latin iaspis.
Group, Family:
Quartz family (Microcrystalline / Cryptocrystalline), Ch...
Presentation :
Name :
Aventurine and Aventurine Quartz: (Variety of Quartz or Quartzite)
Etymology:
From Italian avventura = chance | NB: “Aventurine”, when written alone, descri...
Presentation :
Names) :
Fluorite* / Fluorite.
Etymology :
From Latin fluere = to flow (Napione 1797).
Color :
Colorless, White, Yellow, Dark Yellow, Orange, Apple G...
Presentation :
Names) :
Prehnite.
Etymology:
Named after the Dutch colonel H. von Prehn (1.733-1785) who discovered the mineral. (Werner, 1790).
Color :
Colorless, White,...
Presentation :
Names) :
Citrine (variety of quartz).
Etymology:
From the French citrin=yellow in allusion to the color.
Group, Family:
Quartz (Crystalline) family....
