Geological Oddities
4018-01 Carbonatite
Rare Medium grained, intrusive igneous Carbonate rock. Contains ore minerals such as perovskite, pyrochlore and niocalite, from the famous Oka complex. Quebec, Canada, 2" x 3" to 3" x 4" $25.00 Each
2272-01I Meteorite
Iron Meteorite from the Henbury Crater in Northern Territory, Australia. Approx. 1/2", contained in attractive display box with info about meteorites. $19.00 More Meteorites can also be found here on this website
4020-01 Dendrites
deposits of manganese oxide which have crystallized in branching patterns on limestone, approx. 1 x 2" to 2 x 2". Germany $9.95
4025-01 Dike Rock, various sizes
$25.00
4030-01 or G493310 Faulted Sandstone, various sizes
Slabs of laminated sandstone, showing the offset of laminae along the fault plane. $25.00
SM020 or G493310 Geode
Cut and polished 2.5" half geode with agate rims and sparkling crystals lining the cavity; Mexico $19.95
SM020-1 Geode (Brown to Bluish)
Cut and polished Agate rimmed geode half with beautiful purple Amethyst crystal interiors. Specimen size approx. 2" to 3" diameter
$29.95
$29.95
SM021 or G493312 Geode
Cut and polished Agate/ Brown rimmed geode both halves with beautiful sparkly Quartz crystal interiors. Specimen size approx. 3.0 to 4.0"; Mexico $39.00
4076-01 Mantle Xenolith
angular masses of olivine in gray-black basalt. $29.00
4082-01 Porphyry
Trachyte porphyry with big feldspar crystal, some show zoning. Various locals $18.00
4085-01 Ptygmatic Fold
Disharmonic folds in a biotite gneiss 3" x 4" to 5" x 6" Not Available at this time
4090-01 Ripple Marks
Caused by water moving back and forth over sand w/ sufficient force to mold the sand into ripples. $13.00
4130-02 Slickensides
Naturally polished and grooved rock surfaces resulting from friction along a fault plane. 3" x 4" or larger $25.00
4190-01 Ventifacts, various sizes
Rocks polished and faceted distinctly by the impact of windblown sand and dust. $29.00
9800-01A Coprolite
fossilized animal dung, approx. 1" $7.00
9800-01B Coprolite
fossilized animal dung, approx. 2" $22.00
9800-01C Coprolite
fossilized animal dung, approx. 3 to 4" $40.00
M100 Break your own Geodes
Package of 2 unopened geodes with instructions on how to open them.
$6.00 per 2 pack. Geode size 1" to 1 1/2" diameter
$6.00 per 2 pack. Geode size 1" to 1 1/2" diameter
Pseudomorphs (Gypsum after Aragonite)
Gypsum after Aragonite; pseuodohexagonal rosettes & crystal groups, avg. 2" x 2" $15.00
