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GEOLOGICAL ODDITIES
Sizes are approximate and specimens are subject to availability.Please Click any of the links Below to find the Product you are looking for.
ITEM# NAME DESCRIPTION PRICE EACH (unless stated otherwise) 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 4020-01 Dendrites deposits of manganese oxide which have crystallized in branching patterns on limestone, approx. 1 x 2" to 2 x 2". Germany $6.95 4025-01 Dike Rock, various sizes $10.80 4030-01 Faulted Sandstone, various sizes Slabs of laminated sandstone, showing the offset of laminae along the fault plane. $6.25 4060-02 Geode Cut and polished 2.5" half; Mexico $16.00 Geode
Cut and polished; both halves 3.0 to 4.0"; Mexico $35.00
4076-01 Mantle Xenolith angular masses of olivine in gray-black basalt 26.00
4082-01 Porphyry Trachyte porphyry with big feldspar crystal, some show zoning. Various locals 15.00
4085-01 Ptygmatic Fold CALL
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 CALL 4190-01 Ventifacts, various sizes Rocks polished and faceted distinctly by the impact of windblown sand and dust. $25.00 9800-01A Coprolite fossilized animal dung, approx. 1" $7.00 9800-01B Coprolite fossilized animal dung, approx. 2" $15.00 9800-01C Coprolite fossilized animal dung, approx. 3 to 4" $20.00 M100 Break your own Geodes Package of 2 unopened geodes with instructions for opening them $4.80/ per 2 PK Pseudomorphs gypsum after aragonite; pseuodohexagonal rosettes & crystal groups, avg. 2" x 2" $9.00 SPECIALTY MINERALS
ITEM # NAME DESCRIPTION PRICE EACH (unless stated otherwise) SM001 Aragonite White branching crystal group, fluorescent under UV light. 2 3/4" to 4". Mexico. $14.00 SM002 Azurite Brilliant blue, small to drusy crystals on quartz, etc. from Morocco. 2" to 3". $15.00 SM003
SM004
SM005Calcite (Iceland Spar) Clear rhombic cleavage showing double refraction. Mexico. 1" x 1" $2.00
1 1/2 x 1 1/2" $6.00
2" x 3" $25.00SM006 Copper Ore Cut and finished slab of bright, native copper ore, average size 2" x 3". $20.00 SM007 Cordierite (Iolite) Polished 8mm cube showing bright color variation with crystallographic direction. (Dichroism) $20.00 SM008 Fluorite Octahedral cleavages, various colors, up to 3/4". pack of 5 $8.00/ per 5 PK SM009 Forsterite (Olivine Bombs) Dunite mantle xenolith fragments. Arizona. $9.95 SM010 Gold Pure native gold nuggets. Avg. size 1/8" to 1/4" $25.00 SM011 Magnetite (Lodestone) Natural magnet,
2"x 2" to 2"x3" Utah.$9.00 SM012
SM013
SM014Manganese Nodules Black nodules showing exterior and interior surfaces. Pacific Ocean floor. ½" to 1", 3pk, $12.00
2" $25.00
2" to 3" $42.00SM015 Mica Phlogopite mica book, triboluminescent, emits sparks when hammered. 1 1/2" to 3". Canada. $12.80 SM016 Perthite Microcline cleavages, perthitic texture, 2" to 3 1/2". Perth. Canada. CALL SM017
SM018Pyrite Shiny, brass like, cubic and pyritohedral crystal clusters. Peru. 1 1/2" $10.00
3" $36.00SM019 Quartz (Amethyst) Rich purple clusters of crystals. 2" to 3". Brazil, etc. $16.00 SM020
SM021Quartz (Geode) Cut and polished geode halves, agate rims, crystal interiors. Mexico. 2 1/2" $14.00
4" $29.00SM022 Quartz (Rock Crystal) Clear crystal clusters, great form and terminations, avg. cluster size 2 3/4"-4" CALL SM023 Quartz (Smoky) Sharp crystal clusters, brown induced by irradiation, avg. size
2 1/4" to 3 1/2"$50.00 SM024 Scapolite (Meionite) Metamorphic mineral, brilliant yellow fluorescence under longwave UV light. 2"x3". Quebec. $20.00 SM025 Silver (in display box) Pure native silver wires & clusters. 1/2" to 3/4". Australia. $21.00 SM026 Ulexite (TV stone) Fiber optic, cut & finished samples, 1", California. $6.95 SM027 Willemite Zinc silicate, fluoresces green under shortwave UV light.
2 1/2" x 3 1/2". New Jersey.$26.00 SM028 Zeolite Hydrous aluminosilicate, mixed varieties, 2 1/4" to 3". India. $16.00 SINGLE CRYSTALS
ITEM # NAME DESCRIPTION PRICE EACH (unless stated otherwise) SX001 GARNET variety Almandine Garnet group, sharp, red, dodecahedral, isometric. Alaska $9.00 GARNET variety Almandine Garnet group, sharp, dark red brown, Trapezohedral, isometric. Alaska $7.00 SX002 Amazonite Feldspar group, blue-green, microcline, triclinic, avg.3/4". Colorado. $12.50 SX018 Apatite Asparagus Stone, single, terminated crystal approx 5/8" to 3/4", each $12.00 SX003 Aragonite Gray to brown, orthorhombic, pseudohexagonal twinning, 3/4" to 1 1/2". Spain. $6.00 SX0018 Aragonite Reddish brown crystal clusters and rosettes showing pseudohexagonal twinning. 1.5" to 2". Morocco. $12.00 SX004 Corundum (Ruby) Deep red, hexagonal, 3/8", Madagascar. $8.50 SX005 Diamond Natural, isometric, various forms, 2-4mm. Africa,China,or Australia. $20.00 SX006 Dolomite Pink saddle shaped crystal groups, 2" to 3" $9.00 Glauberite Calcite pseudomorph after Glauberite $6.00 SX007 Grossular Garnet Group; single and intergrown dodecahedral crystals, isometric, 3/4"-1". Mexico. $9.50 Gypsum Rosette of crystals forming a ball Limonite Pseudomorph after Pyrite $4.00 per pack of 2 SX008 Magnetite Dark black, octahedral, isometric, 1/4"-1/2". Australia $6.00 per pack of 5 Feldspar variety Orthoclase $5.00 SX009
SX010Pyrite (Cubic) Sharp, cubic, isometric with metallic luster. Spain. 3/8" $6.00
1/2" $12.50SX013 Pyrite (Pyritohedral) Pyritohedral, isometric, 3/8". Spain. $11.00 SX014 Quartz (Rock Crystal) "Herkimer diamond;" doubly terminated, hexagonal, 3/8"-1/2". New York. $9.90 SX015 Quartz (Rock Crystal) Singly terminated, hexagonal, 1 ½" to
2 ¼". Arkansas.$4.00 SX016 Staurolite Twinned, brown, orthorhombic, 3/8"-1/2". Madagascar. $8.00 SX017 Zircon Glassy, brown, fluorescent, tetragonal, 3/8". Brazil $16.00
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