Mineral Evolution Database

Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.

Mineral locality data provided by mindat.org

The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.

Locality Name:
Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA

Oldest recorded age at locality: 1458.93
Youngest recorded age at locality: 1272.15

mindat Locality ID: 8251
mindat URL: http://www.mindat.org/loc-8251.html

Tectonic Settings:

Total number of sublocalities beneath "Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA": 67
Total number of bottom-level sublocalities: 66

Number of Child Localities: 66
Child Localities:
Abandon Mine
Beryl Dike Claims
Beryl Dike Mine
Beryl No. 1 Claim
Beryl No. 2 Claim
Beryl No. 3 Claim
Beryl No. 5 Prospect
Big Boulder Mine (Big Boulder Beryl Mine)
Black Beauty Prospect
Buckhorn Mica Mine (Claim: Emerald Gem)
Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine)
Calypso Beryl Mine
Carpit Prospect
Clipper No. 1 (Jay Dee Bee; Keystone Beryllium Corp. Claims)
Cojade Mine
Corral Pole Mine (Corral Pole No. 2 Quarry)
Crystal Mountain
Crystal Silica Mine
Crystal Snow Mine
Debbie Doll Mine
Double Opening Prospect
Eureka Group
Garnet & Beryl Mine
Giant Crystal Mine
Glen O. Barrett Et Al
Green Crystal Mine
Green Quartz Beryl Claims No. 1-9
H E & M No. 9 Occurrence
H G And J No. 15 And 23 Claims
Hanks Hole Mine
Heline Property
HG & S No. 3 Mine
Hide-A-Way Claim
Hideabove (Big Diggings) Pegmatite
Hilltop No. 23 Mine
Hilltop No. 3 Claims
Huckleberry Mine
Humphrey Beryl Prospect
Hyatt Ranch Mine (Hyatt Mine)
Jay Dee Dee Claims
Kings Canyon Mine
Langston Mine
Lewis Beryl Prospect
Lodge Pole Mine (Silica Beryl; Thodab No. 1; Claims: Lodge Pole)
Lookout And Challenger Deposits
Mica - Beryl Prospect
Mica - Beryl Prospect (MRDS - 10087859)
Mica Dike Claim
Mona No. 4
Mount Ethel Mine
New Hope Claims
Pan Claims
Primorose Beryl Lode
Rattlesnake Park Mine
Rita Beryl Mine (Reta Mine; Clipper Group)
Sherwood Place Prospect
Storm Mountain
Tantalum Prospect (MRDS - 10087861)
Tourmaline Prospect (MRDS - 10142626)
Unknown Quartz - Feldspar (MRDS - 10215214)
Unnamed Beryllium Mine (MRDS - 10166348)
Unnamed Fluorine - Fluorite Mine (MRDS - 10287956)
Unnamed Locality
Valley View Claims No. 142
Vona Mae Mine
Wisdom Ranch Prospect

Latitude: 40°33'40"N
Longitude: 105°23'26"W
Decimal Degree (lat, lon): 40.561111111111,-105.39055555556

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
	This mineral's age has not yet been recorded.

Allanite	Alluaudite	Andalusite	Apatite	Autunite	Beryl	Bismutite	Chlorite	Clay	Columbite
Compreignacite	Corundum	Epidote	Feldspar	Fluorite	Garnet	Graftonite	Leucophosphite	Meta-autunite	Mica
Molybdenite	None	Not in a structural group	Olivine	Phosphosiderite	Phosphuranylite	Pyrite	Pyroxene	Quartz	Scheelite
Spinel	Stibnite	Topaz	Tourmaline	Triplite	Vivianite	Zircon

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al B Be Bi C Ca Ce Cu F Fe H K Li Mg Mn Mo Na Nb O P Pb S Si Ta Th Ti U W Y Zr

Elements from minerals reported directly at this locality: Mo S

Structural Groups for minerals in this locality:
Allanite Alluaudite Andalusite Apatite Autunite Beryl Bismutite Chlorite Clay Columbite
Compreignacite Corundum Epidote Feldspar Fluorite Garnet Graftonite Leucophosphite Meta-autunite Mica
Molybdenite None Not in a structural group Olivine Phosphosiderite Phosphuranylite Pyrite Pyroxene Quartz Scheelite
Spinel Stibnite Topaz Tourmaline Triplite Vivianite Zircon

55 IMA Minerals at location:

Albite ()*	Allanite-(Ce) ()*	Alluaudite ()*	Almandine ()*	Amblygonite ()*
Andalusite ()*	Autunite ()*	Bertrandite ()*	Beryl ()*	Beusite ()*
Bismuthinite ()*	Bismutite ()*	Chrysoberyl ()*	Clinochlore ()*	Columbite-(Mn) ()*
Compreignacite ()*	Ferrisicklerite ()*	Fersmite ()*	Fluorapatite ()*	Fluorite ()*
Graftonite ()*	Hematite ()*	Heterosite ()*	Hydroxylapatite ()*	Leucophosphite ()*
Lithiophilite ()*	Magnetite ()*	Meta-autunite ()*	Microcline ()*	Molybdenite ()*
Muscovite ()*	Phosphosiderite ()*	Phosphuranylite ()*	Purpurite ()*	Pyrite ()*
Quartz ()*	Samarskite-(Y) ()*	Scheelite ()*	Schorl ()*	Sicklerite ()*
Sillimanite ()*	Spessartine ()*	Spodumene ()*	Tantalite-(Fe) ()*	Thorianite ()*
Topaz ()*	Torbernite ()*	Triphylite ()*	Triplite ()*	Uraninite ()*
Uranophane-α ()*	Vandendriesscheite ()*	Vivianite ()*	Zircon ()*	Zwieselite ()*

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Albite ()*	Feldspar	Na(AlSi₃O₈)			14	191784,191786,191787,191794,191796,191797,191798,191814,191815,191817,191819,191832,191835,191843	8803
Allanite-(Ce) ()*	Allanite Epidote	CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)			1	191795	706
Alluaudite ()*	Alluaudite	NaMnFe³⁺₂(PO₄)₃			3	191784,191795,191834	94
Almandine ()*	Garnet	Fe²⁺₃Al₂(SiO₄)₃			2	191793,191798	2353
Amblygonite ()*	None	LiAl(PO₄)F			3	191791,191817,191830	244
Andalusite ()*	Andalusite	Al₂SiO₅			2	191834,191840	1310
Autunite ()*	Autunite	Ca(UO₂)₂(PO₄)₂·10-12H₂O			6	191784,191787,191797,191815,191827,191834	1272
Bertrandite ()*	Not in a structural group	Be₄Si₂O₇(OH)₂			1	191815	606
Beryl ()*	Beryl	Be₃Al₂Si₆O₁₈	1458.93	1272.15	44	191777,191778,191779,191782,191783,191784,191786,191787,191788,191791,191792,191794,191795,191796,191797,191798,191800,191802,191804,191806,191808,191810,191811,191813,191814,191815,191816,191817,191818,191819,191820,191822,191823,191824,191826,191827,191828,191829,191830,191831,191832,191834,191835,191843	4286
Beusite ()*	Graftonite	Mn²⁺Mn²⁺₂(PO₄)₂			2	191795,191834	39
Bismuthinite ()*	Stibnite	Bi₂S₃			2	191794,191815	1935
Bismutite ()*	Bismutite	Bi₂O₂(CO₃)			1	191815	716
Chrysoberyl ()*	Olivine	BeAl₂O₄			4	191783,191787,191815,191843	321
Clinochlore ()*	Chlorite Clay	Mg₅Al(AlSi₃O₁₀)(OH)₈			1	191840	1756
Columbite-(Mn) ()*	Columbite	Mn²⁺Nb₂O₆			1	191787	289
Compreignacite ()*	Compreignacite	K₂(UO₂)₆O₄(OH)₆·7H₂O			1	191833	27
Ferrisicklerite ()*	Olivine	Li_1-x(Fe³⁺,Mn²⁺)(PO₄)			4	191784,191795,191815,191834	108
Fersmite ()*	Columbite	CaNb₂O₆			1	191787	83
Fluorapatite ()*	Apatite	Ca₅(PO₄)₃F			5	191784,191786,191794,191796,191832	2740
Fluorite ()*	Fluorite	CaF₂			2	191815,191817	9617
Graftonite ()*	Graftonite	Fe²⁺Fe²⁺₂(PO₄)₂			3	191784,191795,191834	107
Hematite ()*	Corundum	Fe₂O₃			2	191793,191843	14640
Heterosite ()*	Olivine	Fe³⁺(PO₄)			3	191795,191797,191834	204
Hydroxylapatite ()*	Apatite	Ca₅(PO₄)₃OH			4	191784,191795,191796,191834	367
Leucophosphite ()*	Leucophosphite	KFe³⁺₂(PO₄)₂(OH)·2H₂O			1	191784	110
Lithiophilite ()*	Olivine	LiMn²⁺(PO₄)			2	191796,191815	155
Magnetite ()*	Spinel	Fe²⁺Fe³⁺₂O₄			1	191843	14899
Meta-autunite ()*	Meta-autunite	Ca(UO₂)₂(PO₄)₂·6H₂O			1	191834	388
Microcline ()*	Feldspar	K(AlSi₃O₈)			14	191782,191784,191785,191786,191792,191794,191795,191797,191798,191814,191815,191819,191835,191843	4924
Molybdenite ()*	Molybdenite	MoS₂	1458.93	1272.15	0		5800
Muscovite ()*	Mica Clay	KAl₂(Si₃Al)O₁₀(OH)₂	1458.93	1346.46	24	191783,191784,191786,191787,191792,191793,191794,191797,191798,191800,191808,191814,191815,191818,191819,191820,191822,191823,191824,191827,191828,191829,191835,191843	17380
Phosphosiderite ()*	Phosphosiderite	Fe³⁺(PO₄)·2H₂O			1	191784	182
Phosphuranylite ()*	Phosphuranylite	KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O			1	191834	182
Purpurite ()*	Olivine	Mn³⁺(PO₄)			6	191784,191786,191795,191797,191815,191834	80
Pyrite ()*	Pyrite	FeS₂			1	191815	39462
Quartz ()*	Quartz	SiO₂			20	191783,191784,191785,191786,191787,191794,191795,191797,191798,191807,191814,191815,191817,191819,191822,191827,191832,191835,191840,191843	61156
Samarskite-(Y) ()*	Columbite	YFe³⁺Nb₂O₈			1	191827	353
Scheelite ()*	Scheelite	Ca(WO₄)			2	191807,191821	4894
Schorl ()*	Tourmaline	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)			2	191832,191836	2705
Sicklerite ()*	Olivine	LiMn²⁺(PO₄)			1	191815	66
Sillimanite ()*	Not in a structural group	Al₂SiO₅			2	191840,191843	1516
Spessartine ()*	Garnet	Mn²⁺₃Al₂(SiO₄)₃			1	191843	1214
Spodumene ()*	Pyroxene	LiAlSi₂O₆			3	191784,191786,191817	688
Tantalite-(Fe) ()*	Columbite	Fe²⁺Ta₂O₆			2	191780,191784	99
Thorianite ()*	Fluorite	ThO₂			1	191834	236
Topaz ()*	Topaz	Al₂SiO₄F₂			1	191832	1476
Torbernite ()*	None	Cu(UO₂)₂(PO₄)₂·12H₂O			4	191784,191797,191798,191815	1059
Triphylite ()*	Olivine	LiFe²⁺(PO₄)			5	191784,191795,191810,191815,191834	313
Triplite ()*	Triplite	Mn²⁺₂(PO₄)F			7	191780,191784,191785,191795,191796,191799,191832	233
Uraninite ()*	Fluorite	UO₂			6	191784,191792,191797,191810,191815,191834	2718
Uranophane-α ()*	None	Ca(UO₂)₂(SiO₃OH)₂·5H₂O			2	191798,191834	890
Vandendriesscheite ()*	None	Pb_1.6(UO₂)₁₀O₆(OH)₁₁·11H₂O			1	191834	52
Vivianite ()*	Vivianite	Fe²⁺₃(PO₄)₂·8H₂O			3	191784,191795,191834	636
Zircon ()*	Zircon	Zr(SiO₄)			1	191833	5251
Zwieselite ()*	Triplite	Fe²⁺₂(PO₄)F			1	191834	47

10 Ages assigned to this locality:

Excel ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Sample Source	Dated Mineral	MinDat Locality ID	Dated Locality (Max Age)	Reference	Reference ID
USGS-Rb-Sr-04180	1312.15	1272.15	1292.15±20	Rb-Sr		whole rock		115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04181	1312.15	1272.15	1292.15±20	Rb-Sr		biotite		115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04182	1386.46	1346.46	1366.46±20	Rb-Sr		muscovite	Muscovite	115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04183	1386.46	1346.46	1366.46±20	Rb-Sr		microcline	Microcline	115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04184	1386.46	1346.46	1366.46±20	Rb-Sr		plagioclase		115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04185	1380.67	1340.67	1360.67±20	Rb-Sr	age of intrusion	plagioclase		115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04186	1380.67	1340.67	1360.67±20	Rb-Sr	age of intrusion	microcline	Microcline	115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04187	1458.93	1418.93	1438.93±20	Rb-Sr	age of intrusion	muscovite	Muscovite	115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04188	1458.93	1418.93	1438.93±20	Rb-Sr	age of intrusion	biotite		115491	Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04116	1440.04	1340.04	1390.04±50	Rb-Sr	age of metamorphic crystallization	whole rock		115500	H E & M No. 9 Occurrence, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr

Sample	Source Locality	Reference URL

All locality data graciously provided by mindat.org

All age data...