Gratonite (M702)
Gratonite is considered a low-temperature dimorph of jordanite, the inversion occurring on heating below 250°C.It is a very rare mineral, discovered in only 4 countries worldwide: Japan, Germany, Spain and - the best ones - from Peru. Here we have an exposed group in the center of matrix. Undamaged.
Gratonite is considered a low-temperature dimorph of jordanite, the inversion occurring on heating below 250°C.It is a very rare mineral, discovered in only 4 countries worldwide: Japan, Germany, Spain and - the best ones - from Peru. Here we have an exposed group in the center of matrix. Undamaged.
Gratonite is considered a low-temperature dimorph of jordanite, the inversion occurring on heating below 250°C.It is a very rare mineral, discovered in only 4 countries worldwide: Japan, Germany, Spain and - the best ones - from Peru. Here we have an exposed group in the center of matrix. Undamaged.
Gratonite (M702)
Peru
LOCATION
Excelsior Mine, Cerro de Pasco, Pasco province, Pasco, Peru
SIZE
44 x 26 x 15 mm
DESCRIPTION
Gratonite is considered a low-temperature dimorph of jordanite, the inversion occurring on heating below 250°C.It is a very rare mineral, discovered in only 4 countries worldwide: Japan, Germany, Spain and - the best ones - from Peru. Here we have an exposed group in the center of matrix. Undamaged.