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Carl (Bob) Carnein's Photo Gallery

1WG-KPPHematite, Calcite

N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa

Dimensions: 5.5 cm x 4.2 cm x 3.5 cm
Field of View: 2.6 cm
Largest Crystal Size: 1.6 cm

Intergrown barrel shaped hematite crystals with minor calcite. In habit, these are similar to crystals described as being from the "Botha pocket" in an article in the January/February issue of Rocks and Minerals. They exhibit relatively few forms with prominent basal pinacoids. Purchased in 2017 at the annual Colorado Springs Mineralogical Society show.
Copyright: © CRC      Photo ID: 871904     Uploaded by: Carl (Bob) Carnein   View Count: 38   Approval status: Public galleries    Type: Photo - 1659 x 1672 pixels (2.8 Mpix)

922-CD2Hematite, Calcite

N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa

Dimensions: 2.3 cm x 2.2 cm x 1.9 cm
Field of View: 2.3 cm
Largest Crystal Size: 2.0 cm

Hematite crystals twinned on {012} with minor white calcite. These are like crystals from the "Botha pocket" described in the Januray/February, 2018 issue of Rocks and Minerals.
Copyright: © CRC      Photo ID: 871902     Uploaded by: Carl (Bob) Carnein   View Count: 38   Approval status: Public galleries    Type: Photo - 1769 x 2144 pixels (3.8 Mpix)

1KE-5TWCalcite

Thomasville Crushed Stone Quarry, Thomasville, Jackson Township, York Co., Pennsylvania, USA

Dimensions: 5.8 cm x 5.0 cm x 3.5 cm
Field of View: 3.0 cm
Largest Crystal Size: 2.3 cm
Weight: 96 g

A lovely, transparent calcite crystal exhibiting 2 scalenohedra and a single, steep rhombohedron, on calcite matrix. Note the etch pits on the rhombohedron and one scalenohedron.
Copyright: © CRC      Photo ID: 867097     Uploaded by: Carl (Bob) Carnein   View Count: 28   Approval status: Public galleries    Type: Photo - 1405 x 1574 pixels (2.2 Mpix)

A7C-HHNSiderite, Quartz

Multiple photos available
Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield Co., Connecticut, USA

Dimensions: 7.5 cm x 6.4 cm x 3.3 cm
Field of View: 6.4 cm
Largest Crystal Size: 1.5 cm
Weight: 250 g

Brown, rhombohedral siderite crystals with white quartz crystals and masses. Child photo shows close-up.
Copyright: © CRC      Photo ID: 867095     Uploaded by: Carl (Bob) Carnein   View Count: 38   Approval status: Public galleries    Type: Photo - 2187 x 2322 pixels (5.1 Mpix)

PF3-824Hydrozincite, Sphalerite, Siderite

Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield Co., Connecticut, USA

Dimensions: 9.5 cm x 7.0 cm x 5.0 cm
Field of View: 6.0 cm
Weight: 463 g

Massive sphalerite (black) and siderite (yellow-brown) with a thin coating of hydrozincite. The hydrozincite fluoresces bluish to yellowish white in SWUV.
Copyright: © CRC      Photo ID: 867094     Uploaded by: Carl (Bob) Carnein   View Count: 39   Approval status: Public galleries    Type: Photo - 2020 x 2402 pixels (4.9 Mpix)

QW9-M80Hydroxylapatite (Var: Carbonate-rich Hydroxylapatite), Microcline (Var: Amazonite)

Multiple photos available
Smoky Hawk claim, Crystal Peak, Teller Co., Colorado, USA

Dimensions: 2.0 cm x 1.7 cm
Field of View: 1.7 cm
Largest Crystal Size: 0.1 mm

Small cavity containing botryoidal/fibrous carbonate-rich hydroxylapatite (grayish brown to bone white) in pegmatite consisting of microcline (var. amazonite), albite, and smoky quartz. This specimen was found by Valerie Babbitz in 2017 at the Smoky Hawk claim and is in her collection. ID by physical and optical properties (indices of refraction and optical sign). The hydroxylapatite is highly fluorescent (blue white to pale yellow) in both SW and LWUV (see child photo).
Copyright: © CRC      Photo ID: 857354     Uploaded by: Carl (Bob) Carnein   View Count: 72   Approval status: Public galleries    Type: Photo - 2094 x 2715 pixels (5.7 Mpix)

NCD-WGATellurium

Good Hope Mine, Vulcan, Vulcan Mining District, Gunnison Co., Colorado, USA

Dimensions: 3.6 cm x 1.8 cm x 1.7 cm
Field of View: 3.0 cm
Largest Crystal Size: 3.6 cm
Weight: 27 g

Small mass of native tellurium with some chloritic schist attached. Specimen was purchased from Heritage Auctions in November, 2017.
Copyright: © CRC      Photo ID: 855921     Uploaded by: Carl (Bob) Carnein   View Count: 61   Approval status: Public galleries    Type: Photo - 1986 x 1983 pixels (3.9 Mpix)

RGH-VT1Schorl, Quartz

Pipe Springs Campground, Wilkerson Pass Area, Park Co., Colorado, USA

Dimensions: 7 cm x 6 cm x 5.5 cm
Field of View: 7 cm
Largest Crystal Size: 5.5 cm
Weight: 258 g

Schorl crystals in quartz rich pegmatite from the Silver Plume Granite. Note longest crystal is broken and "bent", with quartz filling fractures.
Copyright: © CRC      Photo ID: 853830     Uploaded by: Carl (Bob) Carnein   View Count: 44   Approval status: Public galleries    Type: Photo - 2663 x 2250 pixels (6.0 Mpix)

CCD-9XPRickardite, Sonoraite, Chlorite Group

Multiple photos available
Good Hope Mine, Vulcan, Vulcan Mining District, Gunnison Co., Colorado, USA

Dimensions: 3.4 cm x 2.0 cm x 1.6 cm
Field of View: 1.9 cm
Largest Crystal Size: 3.0 mm
Weight: 11 g

Rickardite (iridescent blue) and sonoraite (yellow-green prismatic crystals) on chloritic schist. Ex Kay Robertson collection, no. 10194.
Copyright: © CRC      Photo ID: 845934     Uploaded by: Carl (Bob) Carnein   View Count: 60   Approval status: Public galleries    Type: Photo - 1845 x 2559 pixels (4.7 Mpix)

C23-PA1Prosopite, Quartz, Fluorite, Zircon

Multiple photos available
Eureka tunnel, St Peters Dome, Cheyenne Mining District, El Paso Co., Colorado, USA

Dimensions: 11.5 cm x 7.5 cm x 6.5 cm
Field of View: 5.0 cm
Largest Crystal Size: 1 cm
Weight: 628 g

Tabular crystals of white to tan prosopite to 1 cm. in a cavity in pegmatite that includes quartz, fluorite, and zircon. Specimen was collected on the Eureka Tunnel dump, 8/21/14. ID by use of indices of refraction and optical properties.
Copyright: © CRC      Photo ID: 697800     Uploaded by: Carl (Bob) Carnein   View Count: 194   Approval status: Public galleries    Type: Photo - 3058 x 2303 pixels (7.0 Mpix)
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