Charoite

Specimen ID: 0MQ-J1G

Mineral(s)
Charoite : (K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4·~3H2O
Locality
Mindat locality:
Dimensions
4.2cm x 2.4cm x 1.3cm
Events

Photo added to mindat.org

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
Jason Evans - 23rd February 2018

Photo added to mindat.org

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
Jason Evans - 23rd February 2018

Photo added to mindat.org

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
Jason Evans - 23rd February 2018
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