Pineapple Quartz or Porcupine Quartz

Its dimensions are  37x12x8 mm

Mexico are renowned for their classic crystal shape and attractive yellow-green coloration

This is a well-formed albite that shows very well with its white cubic shiny crystal and good luster and translucence

Vicenti and M

Zircon var. Cyrtolite Crystals | 125 Grams | MacDonald Mine | Hastings County, Ontario, Canada Clinozoisite Pineapple Quartz or Porcupine QuartzThis is a rare specimen of the brown Cyrtolite variety of Zircon crystals mined at MacDonald Mine, Hastings County, Ontario, Canada. This is a large mass of Cyrtolite. The mine deposit is remarkable for the presence of a variety of rare element minerals, some of them recorded for the first time. Its content of such minerals makes this deposit one of the most remarkable pegmatites, mineralogically, yet discovered in Canada. The specimen is in great