A zeolite occurrence located in the NE¼ sec. 19, and the NW¼ sec. 20, T5N, R11W, SBM, in Hunt Canyon where the powerline crosses the canyon a few miles S of Barrel Springs Road.

Mineralization is hosted in amygdulitic metavolcanic rocks of the Vasquez Formation.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Cristobalite

ⓘ 'Heulandite Subgroup'

ⓘ Mordenite

ⓘ Opal

3 valid minerals.

Detailed Mineral List:

ⓘ Cristobalite

Formula: SiO₂

Description: Occurs as spherules with radiating fibrous structure coating walls of amygdules and as tabuler forms with an internal fibrous structure.

References:

Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O

Description: Occurs as thin transparent crystals to 2 mm coating vugs.

References:

Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Mordenite

Formula: (Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

Habit: Acicular

Colour: White

Description: Occurs as cottony aggregates and sprays of needles filling, or partially filling, vugs and as delicate sprays on heulandite.

References:

Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

ⓘ Opal

Formula: SiO₂ · nH₂O

Colour: Green

Description: Glassy; as a coating on spherules and tablets of cristobalite and on crystals of heulandite and as a green filling of vugs.

References:

Van Nostrand Reinholt Press: 353-354, 355, 373-374, 376.

Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘ	Opal	4.DA.10	SiO₂ · nH₂O
ⓘ	Cristobalite	4.DA.15	SiO₂
Group 9 - Silicates
ⓘ	Mordenite	9.GD.35	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Unclassified
ⓘ	'Heulandite Subgroup'	-	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
H	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
H	ⓘ Opal	SiO₂ · nH₂O
O	Oxygen
O	ⓘ Cristobalite	SiO₂
O	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
O	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
O	ⓘ Opal	SiO₂ · nH₂O
Na	Sodium
Na	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Na	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Al	Aluminium
Al	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Al	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	Silicon
Si	ⓘ Cristobalite	SiO₂
Si	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Si	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Si	ⓘ Opal	SiO₂ · nH₂O
K	Potassium
K	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
K	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O
Ca	Calcium
Ca	ⓘ Heulandite Subgroup	(Na/Ca/K)_5-6[Al_8-9 Si_27-28 O₇₂] · nH₂O
Ca	ⓘ Mordenite	(Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆ · 28H₂O

Other Regions, Features and Areas containing this locality

North AmericaContinent

Coast MountainsMountain Range

North America Plate

Mojave DomainDomain
Peninsular Ranges BatholithVolcanic Arc

Pacific PlateTectonic Plate

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References

Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7

Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.

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