| Giver | Post | Date |
| rohanlotia | Re: None of the typical physical properties, such as color, hardness, and | 24-Dec-2020 |
| royalpranjal | Re: None of the typical physical properties, such as color, hardness, and | 02-Apr-2020 |
| saarthakkhanna04 | Re: None of the typical physical properties, such as color, hardness, and | 09-Apr-2019 |
| Ashgmat96 | Re: None of the typical physical properties, such as color, hardness, and | 30-Jun-2017 |