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Topic: Botryoidal

	whatsnew
		Botryoidal gems are fashioned into cabochons, carvings or ornamental objects and can be very interesting and lovely.
		Furthermore, the lapidary can treat the material in various ways: sometimes the botryoidal surface is left in its natural state, sometimes it is polished and occasionally some or all the the bubbles are flattened to reveal the inner layering.
		Botryoidal gems make an interesting sub-collecting area within the gem hobby, and they can be used in beautiful and distinctive jewelry pieces as well.
	www.acstones.com /gemofmonth/2003/gemofmonth.11.03.html (403 words)

	Haemopis Laboratory Exercise (Site not responding. Last check: 2007-10-14)
		Opening the leech and cleaning away the botryoidal tissue to reveal the organs is a time-consuming task but one that must be performed carefully.
		The coelom is reduced by invasion of mesenchymal botryoidal tissue and connective tissue (Fig 13-72A).
		In modern leeches the coelom is represented by the four longitudinal, vessel-like, coelomic channels, tiny coelomic "capillaries" in the botryoidal tissue, and sacs enclosing the gonads.
	www.lander.edu /rsfox/310haemopisLab.html (5333 words)

	Turtleback and Botryoidal phenomena in Blue Agate
		One of chalcedony's most endearing characteristics is it's tendency to form botryoidal (grape-like) structures that manifest internally as "turtle-backing" or sometimes externally as "bubble-top" surfaces.
		And even some AGATE material appears to be either too coarsely crystalline or too lacking in sufficient translucency to (visibly) "go botryoidal" although this can vary layer to layer or piece to piece even in material from the same location.
		And when (rarely) a surface is decorated by nature with well-preserved botryoidal bumps and bubbles that can be polished to perfection........
	www.premiergemdesign.com /turtleback.html (267 words)

	Cassiterite - Wikipedia, the free encyclopedia
		The typical twin is bent at a near-60-degree angle, forming an "Elbow Twin".
		Botryoidal or reniform cassiterite is called wood tin.
		Cassiterite is also used as a gemstone and collector specimens when quality crystals can be found.
	en.wikipedia.org /wiki/Cassiterite (305 words)

	Probert Encyclopaedia: Rocks and Minerals (B) (Site not responding. Last check: 2007-10-14)
		Botryogen is a hydrous sulphate of iron of a deep red colour.
		Botryoidal refers to resembling a bunch of grapes.
		Botryolite is a variety of datolite, usually having a botryoidal structure.
	www.probertencyclopaedia.com /H2.HTM (2213 words)

	hematite.htm
		OCONTO COUNTY: Flakes of specular hematite are found with quartz crystals on Mount McCaslin (T.33N R.15E), approximately 3.3 miles north of Townsend on Route 32 (Eckert, 1980).
		- Botryoidal to stalactitic hematite occurs with goethite in the interstices of sandstone at the old Ironton Iron Mine in the SW Sec.
		Irving speculates that this was derived from the oxidation of iron sulfides.
	www.uwrf.edu /~wc01/hematite.htm (1377 words)

	goethite.htm
		BUFFALO COUNTY: Earthy to botryoidal goethite found in crevices and veins cutting Prairie du Chien group dolostones in a quarry south of Tarrant in the SW Sec.
		- Large botryoidal masses of goethite were found at the Cary Mine, NW SE Sec.
		MONROE COUNTY: Goethite is found as a cement in the conglomerates of the Windrow formation found in several areas in the county.
	www.uwrf.edu /~wc01/goethite.htm (1195 words)

	CALAMINE - Online Information article about CALAMINE
		Distinct crystals are somewhat rare; they have the form of the primitive rhombohedron ('=72 20'), the faces of which are generally curved and rough.
		Botryoidal and stalactitic masses are more common, or again the
		A translucent botryoidal calamine banded with blue and green is found at Laurion in Greece, and has sometimes been cut and polished for small ornaments such as brooches.
	encyclopedia.jrank.org /BUN_CAL/CALAMINE.html (1102 words)

	Reocin
		The lowermost contact is usually banded while higher in the sequence the sphalerite is more botryoidal, massive or brecciated.
		Botryoidal sphalerite, probably cementing fragments of (replaced) dolostones.
		In the footwall there is stratiform sphalerite interbedded with clastic doloarenites while in the hanging wall there is botryoidal ore. The botryoidal ore crosscuts the sedimentary layering.
	www.gl.rhbnc.ac.uk /geode/basins/Reocin.html (129 words)

	Re: botryoidal information? by Alan Plante on 4/14/2002 (Site not responding. Last check: 2007-10-14)
		There are also photos of minerals sprinkeld throughout other sections of the book, showing a number of different habits.
		Keep in mind that the word "botryoidal" is simply referring to a type of mineral habit - not any specific mineral.
		And keep in mind that these words are really just descriptors, saying the the mineral "looks like" whatever they refer to, such as botryoidal meaning the mineral "looks like a bunch of grapes" or reniform meaning the mineral "looks like kidneys," and so on.
	www.rockhounds.com /rocknet/archive/messages/17473.shtml (241 words)

	DESCRIPTIVE CRYSTAL HABITS
		Terms such as dendritic and botryoidal are used to describe these.
		Botryoidal is similar to globular and mammillary; but more of an aggregation of rounded masses.
		Rhodochrosite and malachite form aggregates that are attractive examples of this form.
	mineral.galleries.com /minerals/property/habits.htm (1342 words)

	Azurite (Site not responding. Last check: 2007-10-14)
		A broken mass of botryoidal Azurite showing its concentric growth pattern from the Morenci Mine, Arizona.
		It is from the oxidized zone of a chalcopyrite vein (primary sulfide) of an ore body in the Morenci Mine of Arizona.
		Concentric layers (botryoidal mass) of Azurite and Malachite.
	www.gc.maricopa.edu /earthsci/imagearchive/azurite.htm (175 words)

	Hematite Jewelry: The mineralminers.com Virtual Gallery
		This genuine botryoidal hematite pendant was handcrafted in sterling silver and set with a 31x17mm free-form shaped cabochon gem of natural hematite.
		This botryoidal hematite jewelry pendant was handcrafted in sterling silver and set with a 26x25mm free-form cabochon gem of natural botryoidal hematite.
		This natural botryoidal hematite pendant was handcrafted in sterling silver and set with a large 32x25mm free-form shaped cabochon gem of genuine hematite.
	www.mineralminers.com /html/hemjlry.stm (982 words)

	MONTHLY SPECIALS
		This attractive specimen is composed of bright green stalactitic and botryoidal Malachite, without rock matrix.
		Chalcedony is a variety of Quartz which is usually found as irregularly shaped, rounded, botryoidal, and/or sometimes stalactitic forms.
		This very attractive, light pink mass of banded Chalcedony has several large flattened, botryoidal formations which show distinct color banding from pale pink, to near white.
	www.minresco.com /special/spec3.htm (525 words)

	WAVELLITE for trade or sale (Site not responding. Last check: 2007-10-14)
		concentric crystalline and botryoids with white variscite botryoids
		sharp pale green microcrystal sprays with bright green botryoidal variscite coatings, on quartz
		botryoidal coatings of translucent to transparent green radiating microcrystals
	www.pyromorphite.com /wavellite/wavellite.htm (40 words)

	Dave's Down To Earth Rock Shop Hematite!!!
		Tiger Iron is a sedimentary deposit of approximately 2.2 billion years old that consists of alternating layers of silver gray hematite and red jasper, chert or even tiger eye quartz.
		Kidney Ore is the massive botryoidal form and gives the appearance of lumpy kidney-like masses.
		Oolitic Hematite is a sedimentary formation that has a reddish brown color and an earthy luster and is composed of small rounded grains.
	www.davesdowntoearthrockshop.com /hematite.htm (1083 words)

	botryoidal information? by bettykay on 4/14/2002 (Site not responding. Last check: 2007-10-14)
		I have been searching the web for information on botryoidal minerals and can't seem to find much.
		I have several geodes with various colors of this strange shape and just want to learn what kind of minerals they are.
		I also have many specimens that are botryoidal with a film of rust on them and I am curious about how they were formed.
	www.rockhounds.com /rocknet/archive/messages/17465.shtml (79 words)

	Afghanite, Arsenic, Franckeite and more (Site not responding. Last check: 2007-10-14)
		This particular piece is unlike the usual specimens from the region, which consist mostly of poorly defined masses of malachite on matrix- this one has a delicate, lace-like appearance, with "velvet" malachite on the reverse.
		There is a little spot on the side where there was once a scrap of matrix, though the specimen is damage free.
		A very large plate of botryoidal and massive arsenic from a Swedish locality, partially encrusted with an unidentified sulfosalt.
	www.khyberminerals.com /arsenic.htm (445 words)

	minertown.com malachite mineral specimens
		Mineral specimens of botryoidal malachite, crystalline malachite, malachite stalactites, malachite cutting rough and chrysacola from Zaire and Congo.
		A 3/16 inch coating of malachite covers a sandy inner matrix of the 3 inch by 2 1/4 inch by 1 5/8 inch mineral specimen from Southern District of Congo.
		Velvety crystals malachite in a botryoidal formation is a thin layer covering the copper gossan matrix.
	www.minertown.com /market/malachite/specimens/index.htm (882 words)

	Malachite: Malachite mineral data (Site not responding. Last check: 2007-10-14)
		It is also often found as botryoidal clusters of radiating crystals, and as mammilary aggregates as well.
		Single crystals and clusters of distinguishable crystals are uncommon, but when found they are typically acicular to prismatic.
		Botryoidal to mammilary aggregates of radiating fibrous crystals more common.
	www.mindat.org /min-2550.html (383 words)

	Smithsonite
		Smithsonite is found in the United States as colorful botryoidal encrustations and masses at the Kelly Mine in New Mexico.
		Most of the smithsonite is blue-green and in botryoidal form, but some have small crystals.
		The Smithsonite found at the Rush Creek zinc district occurs as botryoidal overgrowths in the oxidized portion of hyderothermal sphalerite veins.
	www.und.nodak.edu /instruct/mineral/geol318/webpage/will (1736 words)

	Mineral description : Chrysocolla (Site not responding. Last check: 2007-10-14)
		Earthy masses, micro crystalline crusts or botryoidal crusts.
		The name comes from the Greek words for gold and glue, since it was one ingredience used in solder for gold.
		As blue massive aggregates with malachite or as botryoidal crusts covering the sides of cavities.
	www.geology.neab.net /minerals/chrysoco.htm (99 words)

	Dinosaur Tracks Sources at Fossilremains.com
		Related terms include what are scientists who study dinosaur fossils cal, fossil preparation for public display, plant fossils of pennsylvania, botryoidal petrified wood formation, and topsy baby triceratops.
		Terms that are related are topsy baby triceratops, botryoidal petrified wood formation, what are scientists who study dinosaur fossils cal, plant fossils of pennsylvania, and fossil preparation for public display.
		Other related phrases are topsy baby triceratops, fossil preparation for public display, botryoidal petrified wood formation, plant fossils of pennsylvania, and what are scientists who study dinosaur fossils cal. All the detail of the original is present in our authentic fossil replicas.
	www.fossilremains.com /dinosaur_tracks_g.html (502 words)

	Multicolour.com > Gem Library > Gemstones Varieties > Hemimorphite
		Specimens of hemimorphite tend to be of two very different forms; the bladed crystal form and the botryoidal habit.
		This form produces a blue to blue-green botryoidal crust that resembles smithsonite or prehnite.
		Part of the confusion springs from the similarity of the botryoidal shapes that both minerals may assume, despite the difference in their crystal morphology.
	www.multicolour.com /gemstones/hemimorphite.html (1210 words)

	SME--VIRTUAL ATLAS OF OPAQUE AND ORE MINERALS
		Botryoidal sphalerite (light grey) comprises growth bands of different grain sizes; the coarser crystals (left) are well polished and overgrow earlier finer crystalline bands (centre left) with many polishing pits.
		Galena (white) is both crystalline and euhedral (centre), or botryoidal and poorly crystalline (centre left).
		A tabular crystal of marcasite (white-yellow, centre bottom) has higher reflectance than pyrite, and also is extensively replaced by galena and sphalerite which exactly pseudomorph the original marcasite crystal.
	www.smenet.org /opaque-ore/Plate56.htm (325 words)

	Rosasite, rock, crystal, mineral, gem stone, birth stones - mineralgallery
		It usually forms radiating tufts of fibrous crystals or is found as crusts and botryoidal masses or nodules.
		It typically is found as crusts and botryoidal masses or nodules.
		Crystals are fibrous and found in tufted aggregates.
	www.mineralgallery.co.za /rosasite.htm (129 words)

	Steve Smale's Home Page (Site not responding. Last check: 2007-10-14)
		Malachite in a natural botryoidal form, from Zaire; 4 inches across.
		Malachite, a copper carbonate, is often used for carvings and in cabochons for jewelry.
		This specimen, mined in 1988, was obtained from Mr.
	www.math.berkeley.edu /~smale/crystal10.html (201 words)

	Caldbeck Fells (Site not responding. Last check: 2007-10-14)
		In a number of places this is highly crystalline, shown by pinpoint reflections of light, although the crystals are tiny.
		Rather than the classic barrel-shaped crystal this specimen consists of two large rounded botryoidal masses, together with three smaller globules.
		All are dark brown and have an earthy luster.
	www.wildaboutrocks.com /category40_2.htm (883 words)

	untitled (Site not responding. Last check: 2007-10-14)
		Botryoidal Rhodochrosite over Manganite, rare, 3.3 x 2.5 x 1.5 cm.
		Botryoidal Rhodochrosite over Manganite, 4 x 3 x 2 cm.
		Botryoidal Rhodochrosite over Manganite, 2 x 1.4 x 1.2 cm.
	www.marinmineral.com /rhodo.html (125 words)

	River Blossom Jade - California Jade Jewelry
		Only the best gem material, cut from a botryoidal jade nugget, is used in this necklace.
		The cord is dyed to match the color of the high quality jade.
		A 20 inch long botryoidal dream with lots of fl jade swirling throughout the patterns.
	www.riverblossomjade.com /Finished_Jewelry.html (262 words)

	Hematite Mineral Specimens
		This top surface of this natural hematite specimen has "grape-like" or botryoidal formations with reddish metallic luster.
		This top surface of this natural hematite specimen has both botryoidal and crystalline surfaces with very shiny metallic luster.
		We have over 150 tons of gem and mineral items in stock at our mineral warehouses, so be sure to let us know if you have any special requests.
	www.mineralminers.com /html/hemmins.stm (302 words)

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