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Jason Evans' Photo Gallery

J68-992Tinaksite, Charoite, Aegirine

Multiple photos available
Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Sakha Republic, Russia

Dimensions: 44 mm x 40 mm x 15 mm

Charoitite specimen with typical mineral assemblages. Tinaskite as orange brown radiating sprays (could possibly be tokoite) lilac charoite and radial sprays of dark green aegerine.
Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 945205     Uploaded by: Jason Evans   View Count: 18   Approval status: Public galleries    Type: Photo - 3802 x 3046 pixels (11.6 Mpix)

MNE-3NTCalcite

Colemans Quarry, Nunney, Mendip, Somerset, England, UK

Dimensions: 30 mm x 25 mm x 20 mm

Twinned scalenohedral crystals composed of stacked rhombodera.
Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 944762     Uploaded by: Jason Evans   View Count: 18   Approval status: Public galleries    Type: Photo - 1558 x 1258 pixels (2.0 Mpix)

476-AEUKinoshitalite

Multiple photos available
Hokkejino, Kizugawa City, Kyoto, Japan

Dimensions: 27 mm x 17 mm x 5 mm

Small yellow brown micaceous flakes of this rare member of the mica group on matrix which may be tephroite and a pink mineral I suspect is rhodonite based on the minerals occurring at this locality and having seen similar specimens labeled as with rhodonite.

Jason Evans collection

From Richard Tayler Minerals
Copyright: © Jason J. Evans      Photo ID: 892603     Uploaded by: Jason Evans   View Count: 37   Approval status: Public galleries    Type: Photo - 5157 x 3438 pixels (17.7 Mpix)

9HU-JH9Johannsenite, Axinite-(Mn)

Multiple photos available
Iron Cap Mine, Landsman Camp, Aravaipa, Santa Teresa Mts, Aravaipa Mining District, Graham Co., Arizona, USA

Dimensions: 65 mm x 40 mm x 30 mm

Rounded masses of acicular crystals with an axinite-Mn crystal (visible in the additional image)
Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 891386     Uploaded by: Jason Evans   View Count: 27   Approval status: Public galleries    Type: Photo - 4989 x 3297 pixels (16.4 Mpix)

01G-R66Torbernite

Multiple photos available
Wheal Edward, Botallack, St Just, Cornwall, England, UK

Dimensions: 40 mm x 30 mm x 20 mm

Labeled as torbernite but may have altered to meta-torbernite.
Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 890522     Uploaded by: Jason Evans   View Count: 23   Approval status: Public galleries    Type: Photo - 4228 x 3456 pixels (14.6 Mpix)

PPQ-0QGChlorargyrite

Multiple photos available
Silver Coin Mine, Valmy, Iron Point Mining District, Humboldt Co., Nevada, USA

Field of View: 5 mm

Several small (to 3mm) yellowish crystals displaying the characteristic adamantine lustre on matrix.
This is a close up of the most well developed crystal group.

Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 886028     Uploaded by: Jason Evans   View Count: 32   Approval status: Public galleries    Type: Photo - 3649 x 2432 pixels (8.9 Mpix)

0MQ-J1GCharoite

Multiple photos available
Murunskii Massif, Chara and Tokko Rivers Confluence, Aldan Shield, Irkutsk Oblast, Russia

Dimensions: 4.2 cm x 2.4 cm x 1.3 cm

Charoite rarely occurs as an individual mineral, instead it is the dominant mineral in the rock charoitite.
This specimen is relatively pure charoite but there are minor amounts of microcline, which occurs as greyish white vitreous grains with a distinct cleavage, aegerine seen as small prismatic dark green/black crystals and the other side of the specimen has some areas of an orange coloured mineral which I suspect is tinaksite.
There is also a small area of a whitish fibrous mineral which I thought might be pectolite but have been informed it is actually either just white charoite or pseudomorphosis of of hydroxylapophyllite after charoite.
2 photos showing both sides of the specimen were taken with sunlight as a light source and one was with light from a LED which gives it a more appealing purple hue.

Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 874970     Uploaded by: Jason Evans   View Count: 109   Approval status: Public galleries    Type: Photo - 4894 x 3151 pixels (15.4 Mpix)

ET4-6GLVolborthite

Multiple photos available
Monument No. 1 Mine, Monument No. 1 channel, Mystery Valley, Mineral Mining District, Navajo Co., Arizona, USA

Dimensions: 5.0 cm x 3.6 cm x 1.5 cm

Microcrystaline crusts on matrix. The teal coloured mineral might be chrysocolla as it does occur at this locality and it resembles chrysocolla more than the other minerals found there.
Specimen acquired from the Colorado school of mines gift shop.

Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 870388     Uploaded by: Jason Evans   View Count: 36   Approval status: Public galleries    Type: Photo - 5240 x 3648 pixels (19.1 Mpix)

6CJ-CCMCalcite

Multiple photos available
Guilin, Guangxi, China

Dimensions: 5.0 cm x 4.5 cm x 3.5 cm

This specimen exhibits 2 generations of crystal growth, the second generation of crystals are sharp, transparent and lustrous. The first generation crystals show pale yellowish fluorescence under long wave UV light.

Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 867597     Uploaded by: Jason Evans   View Count: 30   Approval status: Public galleries    Type: Photo - 3865 x 3245 pixels (12.5 Mpix)

DQM-3JYBaryte

Hartsel Mining District, Park Co., Colorado, USA

Dimensions: 45 mm x 33 mm x 25 mm

I collected several clusters of baryte and a few crude individual crystals mainly from the surface or just a few inches deep, this was the best one. The crystals are sharp, transparent and lustrous with a greyish blue tint. Some of the other clusters turned more blue after being left in the sun for a few days.
The pink/orange soil is very difficult to remove.
We might have had a little longer collecting there but thunderstorms started to develop and we were a bit exposed there so decided to call it a day.
Collected 28/08/2017

Jason Evans collection
Copyright: © Jason J. Evans      Photo ID: 865797     Uploaded by: Jason Evans   View Count: 37   Approval status: Public galleries    Type: Photo - 4942 x 3267 pixels (16.1 Mpix)
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