Alloy

alloy

Asteroid

asteroid

Aventurescence

meaning_of_aventurescence

Beryllium

question mark

Breastplate of the High Priest

big red question mark adjacent to a faceless figure gesticulating that he's looking for an answer to something

Calcium Sulphate

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Capillitas Mine

capillitas mine

Caring for Silver and Gemstone Jewellery

silver polishing cloth in front of the plastic packet in which it was wrapped

Chakra

shop_online_with_stone_mania

Chatoyancy

question mark article explains the optical phenomenon of chatoyance

Chlorite Group

question-mark

Chromium

chromium

Concretion

question mark article explains what a concretion is in mineralogy

Cordierite

cordierite

Cryptocrystalline

Large red question mark in reference to an article explaining the difference between microcrystalline, cryptocrystalline and macrocrystalline

Crystal Healing

crystal healing article explains exactly what this is

Crystal Structure

crystal_structure

Crystallization

picture of crystallization article explains what crystallization is

Crystals

question mark article explains what crystals are in mineralogy

Culet

culet

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