echinoids.com
  • Book: Fossil Echinoids of Texas
  • Book: 2020 Addendum
  • Minerals Print
  • BUY BOOK
  • Contact Info
  • Links
  • Compare Echinoid Books
  • Errata
  • Jump to
  • Alligator Tooth
  • Amber - Insect
  • Arrowheads
  • Artica gibbosa
  • Ammoniute Choffaticeras - Lg Cut Polished
  • Ammoniute Douvilleiceras
  • Ammonite Macrocephalites
  • Coral Agate Florida
  • Crinoid Column
  • Cymatoceras sakalavus
  • Cleoniceras sp
  • Cleoniceras cut
  • Cleoniceras silver
  • Dinosaur Bone
  • Encope tamiamiensis
  • Hardounia kellumi
  • Heliophora sp
  • Heteraster obliquatus
  • Mammal Bone Florida
  • Megalodon Tooth
  • Mosasaur Tooth
  • Orthoceras sp.
  • Otodus obliquus Shark
  • Pacific Cats Eye Heart
  • Petified Wood Texas
  • Petified Wood Texas polished
  • Turritella Agate
  • Triolibite - Calymene
  • Tylostoma castelli
  • Agate West Texas UV Green
  • Amethyst Bolivia
  • Amethyst Pink
  • Amethyst Purple Morocco
  • Apatite Cyrstal
  • Aragonite Cave
  • Aragonite Cave Coral
  • Aragonite Botryoidal Cave
  • Aragonite Stars – Red Sputnik
  • Aragonite White Cave Crystals
  • Azurite
  • Azurite and Malachite
  • Barite, Brown
  • Blue Barite Thin Crystals
  • Blue Barite Wide Crystals
  • Calcite - Amber
  • Calcite - Chocolate
  • Calcite Clear
  • Calcite - Honey
  • Carnelian
  • Cerussite, Barite, and Galena
  • Citrine – Brown Quartz
  • Concretion
  • Desert Rose Morocco
  • Dolomite - Pink
  • Epidote Cyrstals
  • Fluorite - Blue Grey
  • Fluorite - Yellow
  • Galena
  • Green Amazonite
  • Howlite - Turquoise
  • Labradorite
  • Jasper Polished
  • Langham Shiva Stones
  • Lapis Luzuli
  • Lepoard Agate
  • Malachite
  • Malachite, Polished
  • Manganese Oxide
  • Multicolored Jasper
  • Peach Selenite
  • Peacock Ore
  • Pink Barite
  • Prehnite
  • Pyrite
  • Pyrite - Texas
  • Pyrolusite
  • Quartz - Clear
  • Quartz - Red
  • Selenite
  • Septarian Nodule
  • Shiva Langham Stone
  • Smithsonite
  • Smoky Quartz
  • Smoky Quartz Morocco
  • Staurolite - Fairy Cross
  • Tourmaline, Black
  • Truffle Chalcedony
  • Ulexite - TV Rock
  • Vanadinite
  • Vanadinite on Pink Barite
  • Kit 1 - Texigraphae
  • Kit21 - Clam
  • Kit3 - Tylostoma
  • Kit4 - Heteraster
  • Kit5 - Loriolia
  • Kit6 - Ceratostreon
  • Kit7 - Ceratostreon
  • Kit8 - Porocystis
  • Kit9 - Caninia
  • Kit10 - Crinoid
  • Echinoids.com
  • Anisaster mossomi
  • Anorthopygus texanus
  • Archaeocidaris apheles
  • Archaeocidaris brownwoodensis
  • Archaeocidaris marmorcataractensis
  • Archaeocidaris sp
  • Balanocidaris? strombecki
  • Bathysalenia skylari
  • Boletechinus stoviaki
  • Brissus exiguus
  • Cardiaster hilli
  • Cardiaster leonensis
  • Cibaster texanus
  • Cidaris dixiensis
  • Cidaris sp.
  • Cidaris texanus
  • 'Cidaris' willi
  • Clypeaster marinanus
  • Codiopsis doma
  • Codiopsis (Hemicodiopsis) pulchella
  • Codiopsis sp. woehr
  • Codiopsis (Hemicodiopsis) stephensoni
  • Coenholectypus adkinsi
  • Coenholectypus borachoensis
  • Coenholectypus bullardi
  • Coenholectypus engerrandi
  • Coenholectypus hondoensis
  • Coenholectypus latus
  • Coenholectypus nanus
  • Coenholectypus oliveri
  • Coenholectypus ovatus
  • New Page
  • Coenholectypus planatus
  • Coenholectypus ovatus
  • Coenholectypus ovatus
  • Coenholectypus planatus
  • Coenholectypus sp. Glen rose
  • Coenholectypus sp Kemp Clay
  • Coenholectypus wenoensis
  • Conulus stephensoni
  • Cosmocyphus krameri
  • Cosmocyphus leanderensis
  • Cottaldia elliotti
  • Cottaldia magna
  • Cottaldia rotula
  • Craginaster completa
  • Crassiholaster bexarensis
  • Cyclaster texanus
  • Desoricidaris tarrantensis
  • Diplodetus americanus
  • Diplopodia coryellensis
  • Diplopodia doliae
  • Domechinus chelonium
  • Dumblea symmetrica
  • Echinocyphus bordenensis
  • Echinometra noblei
  • Echinometra prisca
  • Echinopsis lineata
  • Echinopygus lampas
  • Echinothuria mccallae
  • Elliptechinus kiwiaster
  • Eotiaris guadalupensis
  • Epiaster renfroae
  • Eupatagus carolinensis
  • Eupatagus texanus
  • Eupholidocidaris belli
  • Fibularia texana
  • Gauthieria parva
  • Globator bulloides
  • Globator clarki
  • Globator cranei
  • Globator inaudita
  • Globator parryi
  • Globator simoni
  • Globator vaughani
  • Globator whitneyi
  • Glyphocyphus garviei
  • Goniophorus aff. scotti
  • Goniophorus graysonensis
  • Goniophorus mainstreetensis
  • Goniophorus riovistaensis
  • Goniophorus scotti
  • Goniophorus whitneyi
  • Goniopygus bexarensis
  • Goniopygus budaensis
  • Goniopygus goodlandensis
  • Goniopygus quartus
  • Goniopygus saleniaformis
  • Goniopygus stocktonensis
  • Goniopygus texanus
  • Goniopygus whitneyi
  • Goniopygus zitteli
  • Hardouinia bassleri
  • Hardouinia sp. woehri
  • Hardouinia mortonis emmonsi
  • Hemiaster arcolensis
  • Hemiaster benhurensis
  • Hemiaster bexari
  • Hemiaster cranium
  • Hemiaster sabinal
  • Hemiaster wetherbyi
  • Heteraster adkinsi
  • Heteraster brewsterensis
  • Heteraster electus
  • Heteraster mexicanus
  • Heteraster obliquatus
  • Heteraster texanus
  • Heteraster traski
  • Heterosalenia ridiculum
  • Heterosalenia sp. – Type 1
  • Heterosalenia sp. – Type 2
  • Holanthus texanus
  • Holaster comanchesi
  • Holaster laevis
  • Holaster morgani
  • Holaster nanus
  • Holaster nodulosus
  • Holaster simplex
  • Holectypus cragini
  • Hyposalenia phillipsae
  • Isomicraster danei
  • Isomicraster rossi
  • Lanieria uvaldana
  • Leiocidaris hemigranosa
  • Leiostomaster bosei
  • Lepidesthes grandis
  • Leptarbacia arguta
  • Leptosalenia hancockensis
  • Leptosalenia hintei
  • Leptosalenia inflata
  • Leptosalenia maniba
  • Leptosalenia maryae
  • Leptosalenia mexicana
  • Leptosalenia nolanvillensis
  • Leptosalenia reidi
  • Leptosalenia salasae
  • Leptosalenia smithi
  • Leptosalenia texana
  • Leptosalenia volana
  • Linthia hollandi
  • Linthia maverickensis
  • Loriolia clarki
  • Loriolia rosana
  • Loriolia kellumi
  • Pseudodiadema whitneyi
  • Lovenia alabamensis
  • Macraster aguilerae
  • Macraster denisonensis
  • Macraster elegans
  • Macraster elegans washitae
  • Macraster kentensis
  • Macraster nodopyga
  • Macraster obesus
  • Macraster pseudoelegans
  • Macraster roberti var ovatus
  • Macraster solitariensis
  • Macraster subobesus
  • Macraster texanus
  • Macraster washitae
  • Macraster wenoensis
  • Maretia arguta
  • Mecaster austinensis
  • Mecaster batnensis
  • Mecaster texanus
  • Mellita costabilei
  • Mellita quinquiesperforata
  • Mellita sp
  • Micraster uddeni
  • Miocidaris connorsi
  • Miocyphosoma bexarense
  • Miocyphosoma occultatum
  • Miotoxaster wenoensis
  • Nucleolites texanus
  • Nucleolites wilderae
  • Nucleopygus angustatus
  • Orthopsis casanovai
  • Orthopsis charltoni
  • Orthopsis occidentalis
  • Orthopsis planulata
  • Palhemiaster calvini
  • Palhemiaster cranei
  • Palhemiaster krohi
  • Paracidaris texana
  • Parorthopsis comalensis
  • Pedinopsis engerrandi
  • Pedinopsis molineuxae
  • Pedinopsis pondi
  • Pedinopsis texana
  • Periarchus lyelli
  • Petalobrissus cubensis
  • Paracidaris tysoni
  • Phymosoma hilli
  • Phymosoma mexicanum
  • Phymosoma texanum
  • Phymosoma volanum
  • Plagiochasma texanum
  • Plegiocidaris pawpawensis
  • Plegiocidaris wenoensis
  • Pliotoxaster comanchei
  • Pliotoxaster donaldtrumpi
  • Pliotoxaster inflatus
  • Pliotoxaster whitei
  • Polydiadema travisense
  • Prionocidaris anacachoensis
  • Prionocidaris cojimarensis
  • Prionocidaris pawpawensis
  • Proraster dalli
  • Protocardiaster pocranei
  • Protoscutella mississippiensis
  • Protoscutella tuomeyi
  • Pseudananchys stephensoni
  • Pseudananchys supernus
  • Pseudholaster texanus
  • Pseudodiadema aguilerai
  • Pygaster borachoensis
  • Pygaster sp. EROSE
  • Pygaster sp. BEXAR
  • Pygopyrina hancockensis
  • Pygorhynchus stephensoni
  • Pygurus sp. Malone
  • Rachiosoma hondoense
  • Salenia comalensis
  • Salenia elliotti
  • Salenia granula
  • Salenia hondoensis
  • Salenia leanderensis
  • Salenia patricia
  • Salenia pseudowhitneyi
  • Salenia scotti
  • Salenia stenzeli
  • Salenia supera
  • Salenia whitneyi
  • Schizaster caddoensis
  • Schizaster stenzeli
  • Schizaster (Paraster) susana
  • Schizaster variabilis
  • Sinaecidaris roei
  • Stomechinus jordani
  • Strictotiara adami
  • Temnholectypus castilloi
  • Temnholectypus limitis
  • Temnholectypus transpecosensis
  • Temnocidaris (Hirudocidaris) wenoensis
  • Temnocidaris (Stereocidaris) borachoensis
  • Temnocidaris (Stereocidaris) borachoensis
  • Temnocidaris (Stereocidaris) reidi
  • Temnocidaris (Stereocidaris) texana
  • Tetragramma cranei
  • Tetragramma dentonense
  • Tetragramma donaldtrumpi
  • Tetragramma glenrosense
  • Tetragramma hammerschmidti
  • Tetragramma streeruwitzi
  • Tetragramma taffi
  • Tetragramma tenerum
  • Tetragramma texanum
  • Tiaromma magilla
  • Tiaromma goodlandense
  • Trochotiara lindarae
  • Undetermined Genus 1
  • Undetermined Genus 2
  • Undetermined Genus 3
  • Washitaster bravoensis
  • Washitaster inflatus
  • Washitaster longisulcus
  • Washitaster riovistae
  • Washitaster riovistae wenoensis
  • Xenechinus parvus
  • AI Description Formats
  • AI Instructions - Definitions

Agatized Coral – Florida

Picture
 Quick Facts

Origin: Florida, USA — primarily the Withlacoochee River, Tampa Bay, and Suwannee River regions
Material: Fossilized Coral replaced by Chalcedony / Agate (SiO₂) Habit: Botryoidal forms, preserved coral heads, radiating septa patterns, geode‑like interiors


THE SPECIMEN
This Agatized Coral specimen from Florida displays the intricate internal structures of ancient coral colonies beautifully preserved in chalcedony. Florida agatized coral is prized for:
  • sharply defined corallite patterns
  • vibrant banding in whites, grays, reds, and honey tones
  • occasional geode centers lined with microcrystalline quartz
  • exceptional durability and polishability
Many pieces show radiating starburst patterns where the original coral septa were replaced molecule‑by‑molecule with silica-rich groundwater. The result is a fossil that blends biological geometry with the translucence and color play of agate.
Florida’s agatized coral is considered some of the finest in the world due to its clarity, color variety, and the exceptional preservation of ancient reef structures.

ABOUT THIS FIND
The LocalityFlorida’s agatized coral is found in several key regions:
  • Withlacoochee River – classic honey‑colored and white banded coral
  • Tampa Bay area – richly patterned corallites and larger colony pieces
  • Suwannee River – darker tones, strong geometric coral structures
These areas were once part of warm, shallow seas during the Miocene Epoch, where coral reefs flourished.

The Formation
Agatized Coral forms when ancient coral skeletons undergo silicification, a process where:
  • silica-rich groundwater permeates the coral
  • original calcium carbonate structures dissolve
  • chalcedony and agate slowly replace the coral’s architecture
This replacement preserves:
  • the coral’s radial symmetry
  • internal chambers
  • growth rings and septa
The result is a fossil that is both scientifically significant and visually stunning.

MINERALOGY
Composition: Chalcedony / Agate (Silicon Dioxide – SiO₂) Structure: Microcrystalline quartz replacing original coral skeleton             
Coloration: White, gray, tan, honey, red, orange; banded or patterne
Luster: Waxy to vitreous; excellent polish
Stability: Very durable (Mohs 6.5–7). Color is stable and resistant to UV exposure


METAPHYSICAL PROPERTIES
The Stone of “Ancient Earth & Calm”Agatized Coral is associated with grounding, ancient wisdom, and emotional stability.
Root & Sacral Chakra AlignmentIts fossil origin and earthy tones support:
  • grounding
  • emotional balance
  • connection to ancestral energy
Calming & Stabilizing EnergyTraditionally believed to:
  • soothe anxiety and emotional turbulence
  • promote patience and inner peace
  • strengthen one’s connection to nature and ancient earth cycles
Collectors value Florida Agatized Coral for its blend of geological history, biological beauty, and calming energy, making it a standout fossil in both scientific and metaphysical collections.
Powered by Create your own unique website with customizable templates.