If partition be not made between joint tenants, whether they be such as might have been compelled to make partition or not, or of whatever kind the estates or thing holden or possessed be, the parts of those who die first shall not accrue to the survivors, but shall descend or pass by devise, and shall be subject to debts, charges, curtesy or dower, or transmissible to executors or administrators, and be considered to every other intent and purpose in the same manner as if such deceased joint tenants had been tenants in common: Provided always, that nothing in this act shall be taken to affect any trust estate.