Faden quartz and calcite
Crystal size is 10.5 x 5.4 x 4.5 cm
Crystal weighs 145 grams
Its origin is waziristan mountains ,the tribal area of Pakistan.
Rare combination of black calcite with faden quartz crystal . The chain like crystals of faden quartz are hardly seen in combination with other minerals.
Front of faden crystal is undamaged but its backside has a fractured are in one crystal.
Very fat calcite crystals present at backside of faden quartz crystal.