David K. Joyce

Cassiterite, San Antonio Mine, La Paz, Bolivia

Bolivia is famous for its cassiterite specimens. Here is a batch of specimens that show the wonderful crystal habits of cassiterite and are associated, mostly with quartz but some with some tourmaline and other minerals. Nice, affordable specimens from this classic cassiterite area!

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.

Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13333
  • Cassiterite, Quartz
  • 3.8x3.8x2.1 cm
  • Largest Crystal Size: 12mm
  • $50.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • A cluster of nice, sharp, very dark, lustrous cassiterite crystals with a little quartz. Sharp!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13354
  • Cassiterite, Quartz
  • 3.5x3.0x2.4 cm
  • Largest Crystal Size: 10mm
  • $50.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • A solid, heavy cluster of mostly twinned cassiterite with a little quartz associated. Crystals all around!
CassiteriteCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13355
  • Cassiterite
  • 3.7x2.8x2.3 cm
  • Largest Crystal Size: 25mm
  • $60.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • One large cassiterite crystal with a couple of smaller ones at the base makes for a handsome piece! There is a ding on the big crystal but it is still a nice specimen!
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13328
  • Cassiterite, Tourmaline, Quartz
  • 9.2x4.2x3.0 cm
  • Largest Crystal Size: 10mm
  • $75.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • Extremely sharp, well formed and lustrous cassiterite crystals are scattered amongst tourmaline impregnated quartz crystals on this specimen. Displays particularly well from the side.
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13327
  • Cassiterite, Tourmaline, Quartz
  • 5.1x5.1x1.4 cm
  • Largest Crystal Size: c-6mm, q-16mm
  • $45.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • A sharp looking specimen showing a plate of tourmaline-pierced quartz crystals and scattered dark, lustrous cassiterite crystals. Striking!
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13326
  • Cassiterite, Tourmaline, Quartz
  • 3.7x3.5x1.9 cm
  • Largest Crystal Size: 9mm
  • $40.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • A really nice 9mm crystal of dark brown cassiterite is well exposed on a bed of white quartz crystals. The cassiterite crystal is really nice but does have a slight ding which causes the price of the specimen to be lower than you might expect. Looks great!
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13325
  • Cassiterite, Tourmaline, Quartz
  • 6.6x3.6x1.5 cm
  • Largest Crystal Size: 9mm
  • $50.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • Several sharp, dark brown, lustrous cassiterite crystals are scattered on this arc or quartz crystals, partially impregnated with greenish-grey tourmaline group needles.
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13323
  • Cassiterite, Tourmaline, Quartz
  • 5.5x2.9x2.9 cm
  • Largest Crystal Size: 14mm
  • $65.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • An above-average sized, dark brown, twinned cassiterite crystal sits atop quartz crystals on this specimen. The lower reached of the piece show loads of greenish tourmaline group mineral crystals with a couple of smaller cassiterites. Nice!
Cassiterite, Tourmaline, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #13315
  • Cassiterite, Tourmaline, Quartz
  • 8.2x6.1x2.2 cm
  • Largest Crystal Size: 10mm
  • $55.00
  • San Antonio Mine
  • Chambillaya, Quime, Inquisivi, La Paz
    Bolivia
  • A plate of lustrous, sharp, dark brown cassiterite crystals, mostly at the back associated with quartz crystals and lots of needle-like tourmaline at the front of the specimen.
Cassiterite, Siderite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21290
  • Cassiterite, Siderite, Quartz
  • 6.0x3.6x1.7 cm
  • Largest Crystal Size: 5mm
  • $40.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • A nice plate that has the top covered with black cassiterite, tan siderite and colourless quartz crystals. The matrix is mostly cassiterite under the crystals. Nice!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21291
  • Cassiterite, Quartz
  • 6.0x4.0x2.5 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Sharp, black crystals of cassiterite are scattered about a matrix of swirling quartz crystal matrix. There are cassiterite crystals on almost all sides of the piece. The quartz crystals are sharp, terminated and slightly iron tinted in places. Very nice!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21292
  • Cassiterite, Quartz
  • 4.2x4.0x1.8 cm
  • Largest Crystal Size: 5mm
  • $35.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • This plate is covered with sharp, black, cassiterite crystals perched on white quartz crystals. There is also some iron oxide/clay in between some of the crystals. Looks great!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21293
  • Cassiterite, Quartz
  • 7.2x6.6x3.9 cm
  • Largest Crystal Size: 9mm
  • $110.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • The largest specimen of this group. It shows black cassiterite crystals to 9mm or so perched on quartz crystals on a thick plate. Matrix is solid quartz. There is a little damage and bruising mostly around the edges. Looks great and sits perfectly for display!
Cassiterite, Siderite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21294
  • Cassiterite, Siderite, Quartz
  • 5.4x4.3x2.0 cm
  • Largest Crystal Size: 6mm
  • $40.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Superb, sharp, black crystals of cassiterite contrast nicely with the tan-coloured siderite crystals and colourless quartz prisms. The matrix is largely cassiterite, as well.
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21295
  • Cassiterite, Quartz
  • 3.8x2.8x2.9 cm
  • Largest Crystal Size: 5mm
  • $40.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Lots of nice, black cassiterite crystals on most sides of this quartz floater. Displays perfectly!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21297
  • Cassiterite, Quartz
  • 7.5x5.0x2.9 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Lots of black, highly lustrous crystals of nicelt twinned cassiterite crystals are nestled amongst tan siderite blades and colourless quartz prisms. Much of the matrix is cassiterite, as well. Nice!
Cassiterite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21296
  • Cassiterite, Quartz
  • 4.5x3.0x2.4 cm
  • Largest Crystal Size: 4mm
  • $35.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Several clusters of very black, twinned cassiterite crystals on this jumble of quartz crystals. Nice!
Cassiterite, Siderite, QuartzCassiterite, San Antonio Mine, La Paz, Bolivia
  • Item #21298
  • Cassiterite, Siderite, Quartz
  • 3.9x3.4x2.0 cm
  • Largest Crystal Size: 14mm
  • $40.00
  • Viloco Mine
  • Loayza, La Paz
    Bolivia
  • Some nice, larger crystals on this piece, associated with small tan siderite crystals and colourless quartz crystals. A couple of the cassiterite crystals are abraded but a number of them re very nice!