GEOLOGICAL ODDITIES ARE RARE FORMATIONS

GEOLOGICAL ODDITIES
Sizes are approximate and specimens are subject to availability.

	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 SM005	Calcite (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"            $25.00
	SM006	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 SM014	Manganese Nodules	Black nodules showing exterior and interior surfaces. Pacific Ocean floor.	½" to 1", 3pk, $12.00 2"                   $25.00 2" to 3"           $42.00
	SM015	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 SM018	Pyrite	Shiny, brass like, cubic and pyritohedral crystal clusters. Peru.	1 1/2"             $10.00 3"                   $36.00
	SM019	Quartz (Amethyst)	Rich purple clusters of crystals. 2" to 3". Brazil, etc.	$16.00
	SM020 SM021	Quartz (Geode)	Cut and polished geode halves, agate rims, crystal interiors. Mexico.	2 1/2"             $14.00 4"                   $29.00
	SM022	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 SX010	Pyrite (Cubic)	Sharp, cubic, isometric with metallic luster. Spain.	3/8"                 $6.00 1/2"               $12.50
	SX013	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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