Crystals That Start With F
There are 6 crystals, rocks and gemstones in Gemdle that start with the letter F — each with a specimen photo, its Mohs hardness and a quick note on how to spot it. Tap any stone for the full identification guide.
Notable crystals that start with F
- Flint — Gray.
- Fluorite — Purple, vitreous lustre, Mohs 4 (defining mineral).
- Fluorapatite — Green, vitreous, resinous to dull lustre, Mohs 5.
- Fire Agate — Brown, waxy, vitreous lustre, Mohs 6.5-7.
- Fuchsite — Green, vitreous to pearly lustre, Mohs 2.5.
- Fire Opal — Orange, subvitreous to waxy lustre, Mohs 5.5–6.
All 6 stones beginning with F
Frequently asked questions
How many crystals start with the letter F?
Gemdle lists 6 crystals, rocks and gemstones beginning with F, including Flint, Fluorite, Fluorapatite.
What is a well-known crystal that starts with F?
Flint is one of the most searched-for stones beginning with F. Flint, occasionally flintstone (SiO2 ), is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk or marly limestone.