David K. Joyce Minerals

Mont Saint-Hilaire, Quebec -Various Species

Currently, about 346 distinct mineral species have been found at Mont Saint-Hilaire, including many very rare and beautiful species. Mont Saint-Hilaire is the type locality for many species new to science over the past few decades. There are more all of the time. Many of the species present at Mont Saint-Hilaire occur as very small micro crystals. Here are specimens that hold larger, and excellent crystals of some of the more interesting species at the quarry.

All prices in Canadian dollars. For payment in US$, deduct 19% or multiply by 0.81.

Click on any of the following thumbnails to view a larger image of the specimen.

Andradite, PectoliteMont Saint-Hilaire, Quebec -Various Species
  • Item #9447
  • Andradite, Pectolite
  • 2.9x2.2x1.7 cm
  • Largest Crystal Size: 5mm
  • $25.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A few very dark green, dodecahedral andradite crystals are embedded in colourless pectolite.
Zircon, NatroliteMont Saint-Hilaire, Quebec -Various Species
  • Item #9670
  • Zircon, Natrolite
  • 5.0x4.2x4.3 cm
  • Largest Crystal Size: 9.5mm
  • $35.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A sharp, brown, bipyramidal zircon crystal sits of a mount of white natrolite crystals
Monazite, BrookiteMont Saint-Hilaire, Quebec -Various Species
  • Item #14512
  • Monazite, Brookite
  • 2.6x2.3x3.6 cm
  • Largest Crystal Size: micro
  • $35.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • Superb crystals of yellow monazite are scattered around the top of this microcline crystal section, along with many sharp, metallic brookite crystals and lots of blocky calcite crystals. Excellent!
Siderite, Synchysite-(Ce)Mont Saint-Hilaire, Quebec -Various Species
  • Item #19250
  • Siderite, Synchysite-(Ce)
  • 8.5x8.05.5 cm
  • Largest Crystal Size: 65mm
  • $145.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • An excellent twin of siderite with a little albite attached. On the underside of the twinned crystal, are many sharp, 1mm, pseudohexagonal crystals of synchysite on smaller crystals of albite. The siderite is a dramatic display specimen.
Hellandite Group, PectoliteMont Saint-Hilaire, Quebec -Various Species
  • Item #14502
  • Hellandite Group, Pectolite
  • 2.5x2.2x1.8 cm
  • Largest Crystal Size: mico
  • $40.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • One ball of very fine crystals of a hellandite group mineral sits amongst sharp pectolite and apophyllite crystals. At one time the hellandite group mineral was thought to be tadzhikite but it is probably a new mineral, to be determined.
PyriteMont Saint-Hilaire, Quebec -Various Species
  • Item #15118
  • Pyrite
  • 5.4x5.4x5.3 cm
  • Largest Crystal Size: 9mm
  • $35.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A razor-sharp pyrite crystal is exposed in white matrix. The crystal is one of many but the only one that is relatively undamaged. There is a little nick on one edge but otherwise it is very nice! A common mineral that we just don't see like this very often from MSH.
Siderite, Albite, Synchysite-CeMont Saint-Hilaire, Quebec -Various Species
  • Item #17743
  • Siderite, Albite, Synchysite-Ce
  • 19.0x13.0x8.5 cm
  • Largest Crystal Size: 32mm
  • $225.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A very large plate featuring large brown siderite rhombohedra on small albite crystals. The siderite crystals are sharp and some have oriented overgrowths of dolomite on the siderite. As well, there are a couple of areas that have sharp hexagonal-looking 1mm synchysite-Ce crystals scattered about. A large cabinet specimen that displays very well!
SideriteMont Saint-Hilaire, Quebec -Various Species
  • Item #16859
  • Siderite
  • 6.2x5.4x3.0 cm
  • Largest Crystal Size: as above
  • $65.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • This a handsome specimen composed of a single, twinned siderite crystal. Very nice colour and lustre and typical rhomb twin configuration. There are a couple of elpidite, zircon and albite crystals on the back of the main crystal. Stands perfectly for display!
Lueshite-LopariteMont Saint-Hilaire, Quebec -Various Species
  • Item #16884
  • Lueshite-Loparite
  • 3.6x2.0x0.9 cm
  • Largest Crystal Size: <1mm
  • $60.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • A number of sharp compete cubic and modified cubic crystals and lots of crystal sections of this series of mineral are embedded in pectolite marble. Unusual!
Leucosphenite, SteacyiteMont Saint-Hilaire, Quebec -Various Species
  • Item #16885
  • Leucosphenite, Steacyite
  • 3.7x1.7x1.8 cm
  • Largest Crystal Size: 1mm
  • $65.00
  • Mont Saint-Hilaire
  • Monteregie
    Quebec, Canada
  • A couple of cavities on this matrix of pectolite have excellent light blueish leucosphenite crystals in them. Sharp! As well, another cavity has a couple of very sharp, tabular steacyite crystals in it. Two rare minerals in one!
UK-39Mont Saint-Hilaire, Quebec -Various Species
  • Item #19836
  • UK-39
  • 4.4x3.4x3.4 cm
  • Largest Crystal Size: micro
  • $65.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • This pectolite crystal matrix has several round aggregate of tiny platy crystals of this unknown. It was once thought to be Tadzhikite but now referred to as a hellandite group mineral until further work is done.
UK-39Mont Saint-Hilaire, Quebec -Various Species
  • Item #19835
  • UK-39
  • 3.1x2.4x2.2 cm
  • Largest Crystal Size: micro
  • $65.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • This pectolite crystal matrix has one aggregate of tiny platy crystals of this unknown. It was once thought to be Tadzhikite but now referred to as a hellandite group mineral until further work is done.